12409405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2179}}^1$

素因数の和:2268

約数の個数: 16

約数和(自身を含む): 16009920

約数和(自身を除く): 3600515

約数列:

[1, 5, 17, 67, 85, 335, 1139, 2179, 5695, 10895, 37043, 145993, 185215, 729965, 2481881, 12409405]

約数ペア:

[(1, 12409405), (5, 2481881), (17, 729965), (67, 185215), (85, 145993), (335, 37043), (1139, 10895), (2179, 5695)]