88891985

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2473}}^1$

素因数の和:2577

約数の個数: 32

約数和(自身を含む): 133002240

約数和(自身を除く): 44110255

約数列:

[1, 5, 7, 13, 35, 65, 79, 91, 395, 455, 553, 1027, 2473, 2765, 5135, 7189, 12365, 17311, 32149, 35945, 86555, 160745, 195367, 225043, 976835, 1125215, 1367569, 2539771, 6837845, 12698855, 17778397, 88891985]

約数ペア:

[(1, 88891985), (5, 17778397), (7, 12698855), (13, 6837845), (35, 2539771), (65, 1367569), (79, 1125215), (91, 976835), (395, 225043), (455, 195367), (553, 160745), (1027, 86555), (2473, 35945), (2765, 32149), (5135, 17311), (7189, 12365)]