131531946

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:484

約数の個数: 128

約数和(自身を含む): 352665600

約数和(自身を除く): 221133654

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 31, 38, 39, 42, 57, 62, 78, 91, 93, 114, 133, 182, 186, 217, 247, 266, 273, 399, 403, 409, 434, 494, 546, 589, 651, 741, 798, 806, 818, 1178, 1209, 1227, 1302, 1482, 1729, 1767, 2418, 2454, 2821, 2863, 3458, 3534, 4123, 5187, 5317, 5642, 5726, 7657, 7771, 8246, 8463, 8589, 10374, 10634, 12369, 12679, 15314, 15542, 15951, 16926, 17178, 22971, 23313, 24738, 25358, 31902, 37219, 38037, 45942, 46626, 53599, 54397, 74438, 76074, 88753, 101023, 107198, 108794, 111657, 160797, 163191, 164827, 177506, 202046, 223314, 240901, 266259, 303069, 321594, 326382, 329654, 481802, 494481, 532518, 606138, 707161, 722703, 988962, 1153789, 1414322, 1445406, 1686307, 2121483, 2307578, 3131713, 3372614, 3461367, 4242966, 5058921, 6263426, 6922734, 9395139, 10117842, 18790278, 21921991, 43843982, 65765973, 131531946]

約数ペア:

[(1, 131531946), (2, 65765973), (3, 43843982), (6, 21921991), (7, 18790278), (13, 10117842), (14, 9395139), (19, 6922734), (21, 6263426), (26, 5058921), (31, 4242966), (38, 3461367), (39, 3372614), (42, 3131713), (57, 2307578), (62, 2121483), (78, 1686307), (91, 1445406), (93, 1414322), (114, 1153789), (133, 988962), (182, 722703), (186, 707161), (217, 606138), (247, 532518), (266, 494481), (273, 481802), (399, 329654), (403, 326382), (409, 321594), (434, 303069), (494, 266259), (546, 240901), (589, 223314), (651, 202046), (741, 177506), (798, 164827), (806, 163191), (818, 160797), (1178, 111657), (1209, 108794), (1227, 107198), (1302, 101023), (1482, 88753), (1729, 76074), (1767, 74438), (2418, 54397), (2454, 53599), (2821, 46626), (2863, 45942), (3458, 38037), (3534, 37219), (4123, 31902), (5187, 25358), (5317, 24738), (5642, 23313), (5726, 22971), (7657, 17178), (7771, 16926), (8246, 15951), (8463, 15542), (8589, 15314), (10374, 12679), (10634, 12369)]