89990512

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2141}}^1$

素因数の和:2257

約数の個数: 40

約数和(自身を含む): 181675872

約数和(自身を除く): 91685360

約数列:

[1, 2, 4, 8, 16, 37, 71, 74, 142, 148, 284, 296, 568, 592, 1136, 2141, 2627, 4282, 5254, 8564, 10508, 17128, 21016, 34256, 42032, 79217, 152011, 158434, 304022, 316868, 608044, 633736, 1216088, 1267472, 2432176, 5624407, 11248814, 22497628, 44995256, 89990512]

約数ペア:

[(1, 89990512), (2, 44995256), (4, 22497628), (8, 11248814), (16, 5624407), (37, 2432176), (71, 1267472), (74, 1216088), (142, 633736), (148, 608044), (284, 316868), (296, 304022), (568, 158434), (592, 152011), (1136, 79217), (2141, 42032), (2627, 34256), (4282, 21016), (5254, 17128), (8564, 10508)]