13313315

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{643}}^1$

素因数の和:790

約数の個数: 16

約数和(自身を含む): 16553376

約数和(自身を除く): 3240061

約数列:

[1, 5, 41, 101, 205, 505, 643, 3215, 4141, 20705, 26363, 64943, 131815, 324715, 2662663, 13313315]

約数ペア:

[(1, 13313315), (5, 2662663), (41, 324715), (101, 131815), (205, 64943), (505, 26363), (643, 20705), (3215, 4141)]