2171569688

素因数分解:

$2^3\times {\mathrm{997}}^1\times {\mathrm{272263}}^1$

素因数の和:273266

約数の個数: 16

約数和(自身を含む): 4075792080

約数和(自身を除く): 1904222392

約数列:

[1, 2, 4, 8, 997, 1994, 3988, 7976, 272263, 544526, 1089052, 2178104, 271446211, 542892422, 1085784844, 2171569688]

約数ペア:

[(1, 2171569688), (2, 1085784844), (4, 542892422), (8, 271446211), (997, 2178104), (1994, 1089052), (3988, 544526), (7976, 272263)]