12915290

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{9859}}^1$

素因数の和:9997

約数の個数: 16

約数和(自身を含む): 23427360

約数和(自身を除く): 10512070

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 9859, 19718, 49295, 98590, 1291529, 2583058, 6457645, 12915290]

約数ペア:

[(1, 12915290), (2, 6457645), (5, 2583058), (10, 1291529), (131, 98590), (262, 49295), (655, 19718), (1310, 9859)]