9739990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74923}}^1$

素因数の和:74943

約数の個数: 16

約数和(自身を含む): 18880848

約数和(自身を除く): 9140858

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 74923, 149846, 374615, 749230, 973999, 1947998, 4869995, 9739990]

約数ペア:

[(1, 9739990), (2, 4869995), (5, 1947998), (10, 973999), (13, 749230), (26, 374615), (65, 149846), (130, 74923)]