161639612

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{40129}}^1$

素因数の和:40205

約数の個数: 24

約数和(自身を含む): 303382800

約数和(自身を除く): 141743188

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 40129, 80258, 160516, 762451, 1524902, 2126837, 3049804, 4253674, 8507348, 40409903, 80819806, 161639612]

約数ペア:

[(1, 161639612), (2, 80819806), (4, 40409903), (19, 8507348), (38, 4253674), (53, 3049804), (76, 2126837), (106, 1524902), (212, 762451), (1007, 160516), (2014, 80258), (4028, 40129)]