1278719388

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:388

約数の個数: 144

約数和(自身を含む): 3446220960

約数和(自身を除く): 2167501572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 67, 87, 101, 116, 134, 174, 181, 201, 202, 261, 268, 303, 348, 362, 402, 404, 522, 543, 603, 606, 724, 804, 909, 1044, 1086, 1206, 1212, 1629, 1818, 1943, 2172, 2412, 2929, 3258, 3636, 3886, 5249, 5829, 5858, 6516, 6767, 7772, 8787, 10498, 11658, 11716, 12127, 13534, 15747, 17487, 17574, 18281, 20301, 20996, 23316, 24254, 26361, 27068, 31494, 34974, 35148, 36381, 36562, 40602, 47241, 48508, 52722, 54843, 60903, 62988, 69948, 72762, 73124, 81204, 94482, 105444, 109143, 109686, 121806, 145524, 164529, 188964, 196243, 218286, 219372, 243612, 329058, 351683, 392486, 436572, 530149, 588729, 658116, 703366, 784972, 1055049, 1060298, 1177458, 1224827, 1406732, 1590447, 1766187, 2110098, 2120596, 2354916, 2449654, 3165147, 3180894, 3532374, 3674481, 4220196, 4771341, 4899308, 6330294, 6361788, 7064748, 7348962, 9542682, 11023443, 12660588, 14697924, 19085364, 22046886, 35519983, 44093772, 71039966, 106559949, 142079932, 213119898, 319679847, 426239796, 639359694, 1278719388]

約数ペア:

[(1, 1278719388), (2, 639359694), (3, 426239796), (4, 319679847), (6, 213119898), (9, 142079932), (12, 106559949), (18, 71039966), (29, 44093772), (36, 35519983), (58, 22046886), (67, 19085364), (87, 14697924), (101, 12660588), (116, 11023443), (134, 9542682), (174, 7348962), (181, 7064748), (201, 6361788), (202, 6330294), (261, 4899308), (268, 4771341), (303, 4220196), (348, 3674481), (362, 3532374), (402, 3180894), (404, 3165147), (522, 2449654), (543, 2354916), (603, 2120596), (606, 2110098), (724, 1766187), (804, 1590447), (909, 1406732), (1044, 1224827), (1086, 1177458), (1206, 1060298), (1212, 1055049), (1629, 784972), (1818, 703366), (1943, 658116), (2172, 588729), (2412, 530149), (2929, 436572), (3258, 392486), (3636, 351683), (3886, 329058), (5249, 243612), (5829, 219372), (5858, 218286), (6516, 196243), (6767, 188964), (7772, 164529), (8787, 145524), (10498, 121806), (11658, 109686), (11716, 109143), (12127, 105444), (13534, 94482), (15747, 81204), (17487, 73124), (17574, 72762), (18281, 69948), (20301, 62988), (20996, 60903), (23316, 54843), (24254, 52722), (26361, 48508), (27068, 47241), (31494, 40602), (34974, 36562), (35148, 36381)]