257381206852

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{127}}^1\times {\mathrm{1657}}^1$

素因数の和:1855

約数の個数: 216

約数和(自身を含む): 602225498112

約数和(自身を除く): 344844291260

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 121, 127, 133, 154, 209, 242, 254, 266, 308, 361, 418, 484, 508, 532, 722, 836, 847, 889, 1397, 1444, 1463, 1657, 1694, 1778, 2299, 2413, 2527, 2794, 2926, 3314, 3388, 3556, 3971, 4598, 4826, 5054, 5588, 5852, 6628, 7942, 9196, 9652, 9779, 10108, 11599, 15367, 15884, 16093, 16891, 18227, 19558, 23198, 26543, 27797, 30734, 31483, 32186, 33782, 36454, 39116, 43681, 45847, 46396, 53086, 55594, 61468, 62966, 64372, 67564, 72908, 87362, 91694, 106172, 107569, 111188, 125932, 127589, 174724, 183388, 185801, 200497, 210439, 215138, 220381, 255178, 291973, 305767, 320929, 346313, 371602, 400994, 420878, 430276, 440762, 504317, 510356, 583946, 598177, 611534, 641858, 692626, 743204, 801988, 841756, 881524, 1008634, 1167892, 1196354, 1223068, 1283716, 1385252, 1403479, 1473073, 2017268, 2043811, 2314829, 2392708, 2424191, 2806958, 2946146, 3530219, 3809443, 3998341, 4087622, 4187239, 4629658, 4848382, 5547487, 5613916, 5892292, 6579947, 7060438, 7618886, 7996682, 8175244, 8374478, 9259316, 9696764, 11094974, 13159894, 14120876, 15237772, 15993364, 16203803, 16748956, 22189948, 25463119, 26319788, 26666101, 27988387, 32407606, 38832409, 43981751, 46059629, 50926238, 53332202, 55976774, 64815212, 72379417, 75968479, 77664818, 87963502, 92119258, 101852476, 106664404, 111953548, 144758834, 151936958, 155329636, 175927004, 178241833, 184238516, 289517668, 303873916, 307872257, 356483666, 483799261, 506655919, 531779353, 615744514, 712967332, 835653269, 967598522, 1013311838, 1063558706, 1231489028, 1671306538, 1935197044, 2026623676, 2127117412, 3342613076, 3386594827, 5849572883, 6773189654, 9192185959, 11699145766, 13546379308, 18384371918, 23398291532, 36768743836, 64345301713, 128690603426, 257381206852]

約数ペア:

[(1, 257381206852), (2, 128690603426), (4, 64345301713), (7, 36768743836), (11, 23398291532), (14, 18384371918), (19, 13546379308), (22, 11699145766), (28, 9192185959), (38, 6773189654), (44, 5849572883), (76, 3386594827), (77, 3342613076), (121, 2127117412), (127, 2026623676), (133, 1935197044), (154, 1671306538), (209, 1231489028), (242, 1063558706), (254, 1013311838), (266, 967598522), (308, 835653269), (361, 712967332), (418, 615744514), (484, 531779353), (508, 506655919), (532, 483799261), (722, 356483666), (836, 307872257), (847, 303873916), (889, 289517668), (1397, 184238516), (1444, 178241833), (1463, 175927004), (1657, 155329636), (1694, 151936958), (1778, 144758834), (2299, 111953548), (2413, 106664404), (2527, 101852476), (2794, 92119258), (2926, 87963502), (3314, 77664818), (3388, 75968479), (3556, 72379417), (3971, 64815212), (4598, 55976774), (4826, 53332202), (5054, 50926238), (5588, 46059629), (5852, 43981751), (6628, 38832409), (7942, 32407606), (9196, 27988387), (9652, 26666101), (9779, 26319788), (10108, 25463119), (11599, 22189948), (15367, 16748956), (15884, 16203803), (16093, 15993364), (16891, 15237772), (18227, 14120876), (19558, 13159894), (23198, 11094974), (26543, 9696764), (27797, 9259316), (30734, 8374478), (31483, 8175244), (32186, 7996682), (33782, 7618886), (36454, 7060438), (39116, 6579947), (43681, 5892292), (45847, 5613916), (46396, 5547487), (53086, 4848382), (55594, 4629658), (61468, 4187239), (62966, 4087622), (64372, 3998341), (67564, 3809443), (72908, 3530219), (87362, 2946146), (91694, 2806958), (106172, 2424191), (107569, 2392708), (111188, 2314829), (125932, 2043811), (127589, 2017268), (174724, 1473073), (183388, 1403479), (185801, 1385252), (200497, 1283716), (210439, 1223068), (215138, 1196354), (220381, 1167892), (255178, 1008634), (291973, 881524), (305767, 841756), (320929, 801988), (346313, 743204), (371602, 692626), (400994, 641858), (420878, 611534), (430276, 598177), (440762, 583946), (504317, 510356)]