81641264

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{701}}^1$

素因数の和:989

約数の個数: 40

約数和(自身を含む): 164520720

約数和(自身を除く): 82879456

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 251, 464, 502, 701, 1004, 1402, 2008, 2804, 4016, 5608, 7279, 11216, 14558, 20329, 29116, 40658, 58232, 81316, 116464, 162632, 175951, 325264, 351902, 703804, 1407608, 2815216, 5102579, 10205158, 20410316, 40820632, 81641264]

約数ペア:

[(1, 81641264), (2, 40820632), (4, 20410316), (8, 10205158), (16, 5102579), (29, 2815216), (58, 1407608), (116, 703804), (232, 351902), (251, 325264), (464, 175951), (502, 162632), (701, 116464), (1004, 81316), (1402, 58232), (2008, 40658), (2804, 29116), (4016, 20329), (5608, 14558), (7279, 11216)]