678459632

素因数分解:

$2^4\times {\mathrm{1049}}^1\times {\mathrm{40423}}^1$

素因数の和:41480

約数の個数: 20

約数和(自身を含む): 1315801200

約数和(自身を除く): 637341568

約数列:

[1, 2, 4, 8, 16, 1049, 2098, 4196, 8392, 16784, 40423, 80846, 161692, 323384, 646768, 42403727, 84807454, 169614908, 339229816, 678459632]

約数ペア:

[(1, 678459632), (2, 339229816), (4, 169614908), (8, 84807454), (16, 42403727), (1049, 646768), (2098, 323384), (4196, 161692), (8392, 80846), (16784, 40423)]