81899486

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1\times {\mathrm{1279}}^1$

素因数の和:1699

約数の個数: 16

約数和(自身を含む): 124554240

約数和(自身を除く): 42654754

約数列:

[1, 2, 101, 202, 317, 634, 1279, 2558, 32017, 64034, 129179, 258358, 405443, 810886, 40949743, 81899486]

約数ペア:

[(1, 81899486), (2, 40949743), (101, 810886), (202, 405443), (317, 258358), (634, 129179), (1279, 64034), (2558, 32017)]