9717490

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{6991}}^1$

素因数の和:7137

約数の個数: 16

約数和(自身を含む): 17619840

約数和(自身を除く): 7902350

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 6991, 13982, 34955, 69910, 971749, 1943498, 4858745, 9717490]

約数ペア:

[(1, 9717490), (2, 4858745), (5, 1943498), (10, 971749), (139, 69910), (278, 34955), (695, 13982), (1390, 6991)]