390131405

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{677}}^1\times {\mathrm{5011}}^1$

素因数の和:5716

約数の個数: 16

約数和(自身を含む): 489331584

約数和(自身を除く): 99200179

約数列:

[1, 5, 23, 115, 677, 3385, 5011, 15571, 25055, 77855, 115253, 576265, 3392447, 16962235, 78026281, 390131405]

約数ペア:

[(1, 390131405), (5, 78026281), (23, 16962235), (115, 3392447), (677, 576265), (3385, 115253), (5011, 77855), (15571, 25055)]