81404188

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 152409600

約数和(自身を除く): 71005412

約数列:

[1, 2, 4, 41, 47, 59, 82, 94, 118, 164, 179, 188, 236, 358, 716, 1927, 2419, 2773, 3854, 4838, 5546, 7339, 7708, 8413, 9676, 10561, 11092, 14678, 16826, 21122, 29356, 33652, 42244, 113693, 227386, 344933, 433001, 454772, 496367, 689866, 866002, 992734, 1379732, 1732004, 1985468, 20351047, 40702094, 81404188]

約数ペア:

[(1, 81404188), (2, 40702094), (4, 20351047), (41, 1985468), (47, 1732004), (59, 1379732), (82, 992734), (94, 866002), (118, 689866), (164, 496367), (179, 454772), (188, 433001), (236, 344933), (358, 227386), (716, 113693), (1927, 42244), (2419, 33652), (2773, 29356), (3854, 21122), (4838, 16826), (5546, 14678), (7339, 11092), (7708, 10561), (8413, 9676)]