2116715210

素因数分解:

$2^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{639491}}^1$

素因数の和:639829

約数の個数: 16

約数和(自身を含む): 3821604192

約数和(自身を除く): 1704888982

約数列:

[1, 2, 5, 10, 331, 662, 1655, 3310, 639491, 1278982, 3197455, 6394910, 211671521, 423343042, 1058357605, 2116715210]

約数ペア:

[(1, 2116715210), (2, 1058357605), (5, 423343042), (10, 211671521), (331, 6394910), (662, 3197455), (1655, 1278982), (3310, 639491)]