399536485

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{359}}^1\times {\mathrm{2161}}^1$

素因数の和:2628

約数の個数: 16

約数和(自身を含む): 485671680

約数和(自身を除く): 86135195

約数列:

[1, 5, 103, 359, 515, 1795, 2161, 10805, 36977, 184885, 222583, 775799, 1112915, 3878995, 79907297, 399536485]

約数ペア:

[(1, 399536485), (5, 79907297), (103, 3878995), (359, 1112915), (515, 775799), (1795, 222583), (2161, 184885), (10805, 36977)]