13963490

素因数分解:

$2^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{4001}}^1$

素因数の和:4357

約数の個数: 16

約数和(自身を含む): 25212600

約数和(自身を除く): 11249110

約数列:

[1, 2, 5, 10, 349, 698, 1745, 3490, 4001, 8002, 20005, 40010, 1396349, 2792698, 6981745, 13963490]

約数ペア:

[(1, 13963490), (2, 6981745), (5, 2792698), (10, 1396349), (349, 40010), (698, 20005), (1745, 8002), (3490, 4001)]