251019801295

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1217}}^1\times {\mathrm{18229}}^1$

素因数の和:19555

約数の個数: 32

約数和(自身を含む): 315476421120

約数和(自身を除く): 64456619825

約数列:

[1, 5, 31, 73, 155, 365, 1217, 2263, 6085, 11315, 18229, 37727, 88841, 91145, 188635, 444205, 565099, 1330717, 2754071, 2825495, 6653585, 13770355, 22184693, 41252227, 110923465, 206261135, 687725483, 1619482589, 3438627415, 8097412945, 50203960259, 251019801295]

約数ペア:

[(1, 251019801295), (5, 50203960259), (31, 8097412945), (73, 3438627415), (155, 1619482589), (365, 687725483), (1217, 206261135), (2263, 110923465), (6085, 41252227), (11315, 22184693), (18229, 13770355), (37727, 6653585), (88841, 2825495), (91145, 2754071), (188635, 1330717), (444205, 565099)]