9874990

素因数分解:

$2^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3671}}^1$

素因数の和:3947

約数の個数: 16

約数和(自身を含む): 17845920

約数和(自身を除く): 7970930

約数列:

[1, 2, 5, 10, 269, 538, 1345, 2690, 3671, 7342, 18355, 36710, 987499, 1974998, 4937495, 9874990]

約数ペア:

[(1, 9874990), (2, 4937495), (5, 1974998), (10, 987499), (269, 36710), (538, 18355), (1345, 7342), (2690, 3671)]