664806910

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{407857}}^1$

素因数の和:408027

約数の個数: 16

約数和(自身を含む): 1203996816

約数和(自身を除く): 539189906

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 407857, 815714, 2039285, 4078570, 66480691, 132961382, 332403455, 664806910]

約数ペア:

[(1, 664806910), (2, 332403455), (5, 132961382), (10, 66480691), (163, 4078570), (326, 2039285), (815, 815714), (1630, 407857)]