68268944

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{137639}}^1$

素因数の和:137678

約数の個数: 20

約数和(自身を含む): 136538880

約数和(自身を除く): 68269936

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 137639, 275278, 550556, 1101112, 2202224, 4266809, 8533618, 17067236, 34134472, 68268944]

約数ペア:

[(1, 68268944), (2, 34134472), (4, 17067236), (8, 8533618), (16, 4266809), (31, 2202224), (62, 1101112), (124, 550556), (248, 275278), (496, 137639)]