221689208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{2131627}}^1$

素因数の和:2131646

約数の個数: 16

約数和(自身を含む): 447641880

約数和(自身を除く): 225952672

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 2131627, 4263254, 8526508, 17053016, 27711151, 55422302, 110844604, 221689208]

約数ペア:

[(1, 221689208), (2, 110844604), (4, 55422302), (8, 27711151), (13, 17053016), (26, 8526508), (52, 4263254), (104, 2131627)]