64891664

素因数分解:

$2^4\times {\mathrm{349}}^1\times {\mathrm{11621}}^1$

素因数の和:11978

約数の個数: 20

約数和(自身を含む): 126098700

約数和(自身を除く): 61207036

約数列:

[1, 2, 4, 8, 16, 349, 698, 1396, 2792, 5584, 11621, 23242, 46484, 92968, 185936, 4055729, 8111458, 16222916, 32445832, 64891664]

約数ペア:

[(1, 64891664), (2, 32445832), (4, 16222916), (8, 8111458), (16, 4055729), (349, 185936), (698, 92968), (1396, 46484), (2792, 23242), (5584, 11621)]