16945505

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{631}}^1$

素因数の和:808

約数の個数: 16

約数和(自身を含む): 21022848

約数和(自身を除く): 4077343

約数列:

[1, 5, 41, 131, 205, 631, 655, 3155, 5371, 25871, 26855, 82661, 129355, 413305, 3389101, 16945505]

約数ペア:

[(1, 16945505), (5, 3389101), (41, 413305), (131, 129355), (205, 82661), (631, 26855), (655, 25871), (3155, 5371)]