57720848

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{212209}}^1$

素因数の和:212234

約数の個数: 20

約数和(自身を含む): 118413180

約数和(自身を除く): 60692332

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 212209, 424418, 848836, 1697672, 3395344, 3607553, 7215106, 14430212, 28860424, 57720848]

約数ペア:

[(1, 57720848), (2, 28860424), (4, 14430212), (8, 7215106), (16, 3607553), (17, 3395344), (34, 1697672), (68, 848836), (136, 424418), (272, 212209)]