221977730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1707521}}^1$

素因数の和:1707541

約数の個数: 16

約数和(自身を含む): 430295544

約数和(自身を除く): 208317814

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1707521, 3415042, 8537605, 17075210, 22197773, 44395546, 110988865, 221977730]

約数ペア:

[(1, 221977730), (2, 110988865), (5, 44395546), (10, 22197773), (13, 17075210), (26, 8537605), (65, 3415042), (130, 1707521)]