128458278

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9631}}^1$

素因数の和:9674

約数の個数: 64

約数和(自身を含む): 323635200

約数和(自身を除く): 195176922

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 54, 57, 78, 114, 117, 171, 234, 247, 342, 351, 494, 513, 702, 741, 1026, 1482, 2223, 4446, 6669, 9631, 13338, 19262, 28893, 57786, 86679, 125203, 173358, 182989, 250406, 260037, 365978, 375609, 520074, 548967, 751218, 1097934, 1126827, 1646901, 2253654, 2378857, 3293802, 3380481, 4757714, 4940703, 6760962, 7136571, 9881406, 14273142, 21409713, 42819426, 64229139, 128458278]

約数ペア:

[(1, 128458278), (2, 64229139), (3, 42819426), (6, 21409713), (9, 14273142), (13, 9881406), (18, 7136571), (19, 6760962), (26, 4940703), (27, 4757714), (38, 3380481), (39, 3293802), (54, 2378857), (57, 2253654), (78, 1646901), (114, 1126827), (117, 1097934), (171, 751218), (234, 548967), (247, 520074), (342, 375609), (351, 365978), (494, 260037), (513, 250406), (702, 182989), (741, 173358), (1026, 125203), (1482, 86679), (2223, 57786), (4446, 28893), (6669, 19262), (9631, 13338)]