12736945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{233}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 17120376

約数和(自身を除く): 4383431

約数列:

[1, 5, 13, 29, 65, 145, 233, 377, 841, 1165, 1885, 3029, 4205, 6757, 10933, 15145, 33785, 54665, 87841, 195953, 439205, 979765, 2547389, 12736945]

約数ペア:

[(1, 12736945), (5, 2547389), (13, 979765), (29, 439205), (65, 195953), (145, 87841), (233, 54665), (377, 33785), (841, 15145), (1165, 10933), (1885, 6757), (3029, 4205)]