138926879

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{4229}}^1$

素因数の和:4287

約数の個数: 24

約数和(自身を含む): 180502560

約数和(自身を除く): 41575681

約数列:

[1, 7, 13, 19, 91, 133, 247, 361, 1729, 2527, 4229, 4693, 29603, 32851, 54977, 80351, 384839, 562457, 1044563, 1526669, 7311941, 10686683, 19846697, 138926879]

約数ペア:

[(1, 138926879), (7, 19846697), (13, 10686683), (19, 7311941), (91, 1526669), (133, 1044563), (247, 562457), (361, 384839), (1729, 80351), (2527, 54977), (4229, 32851), (4693, 29603)]