218091568

素因数分解:

$2^4\times {\mathrm{1669}}^1\times {\mathrm{8167}}^1$

素因数の和:9844

約数の個数: 20

約数和(自身を含む): 422857360

約数和(自身を除く): 204765792

約数列:

[1, 2, 4, 8, 16, 1669, 3338, 6676, 8167, 13352, 16334, 26704, 32668, 65336, 130672, 13630723, 27261446, 54522892, 109045784, 218091568]

約数ペア:

[(1, 218091568), (2, 109045784), (4, 54522892), (8, 27261446), (16, 13630723), (1669, 130672), (3338, 65336), (6676, 32668), (8167, 26704), (13352, 16334)]