1285681313

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{1091}}^1\times {\mathrm{2131}}^1$

素因数の和:3308

約数の個数: 16

約数和(自身を含む): 1490012160

約数和(自身を除く): 204330847

約数列:

[1, 7, 79, 553, 1091, 2131, 7637, 14917, 86189, 168349, 603323, 1178443, 2324921, 16274447, 183668759, 1285681313]

約数ペア:

[(1, 1285681313), (7, 183668759), (79, 16274447), (553, 2324921), (1091, 1178443), (2131, 603323), (7637, 168349), (14917, 86189)]