12812455

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{631}}^1$

素因数の和:798

約数の個数: 16

約数和(自身を含む): 16017408

約数和(自身を除く): 3204953

約数列:

[1, 5, 31, 131, 155, 631, 655, 3155, 4061, 19561, 20305, 82661, 97805, 413305, 2562491, 12812455]

約数ペア:

[(1, 12812455), (5, 2562491), (31, 413305), (131, 97805), (155, 82661), (631, 20305), (655, 19561), (3155, 4061)]