2897245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{53}}^1$

素因数の和:129

約数の個数: 24

約数和(自身を含む): 3950856

約数和(自身を除く): 1053611

約数列:

[1, 5, 13, 29, 53, 65, 145, 265, 377, 689, 841, 1537, 1885, 3445, 4205, 7685, 10933, 19981, 44573, 54665, 99905, 222865, 579449, 2897245]

約数ペア:

[(1, 2897245), (5, 579449), (13, 222865), (29, 99905), (53, 54665), (65, 44573), (145, 19981), (265, 10933), (377, 7685), (689, 4205), (841, 3445), (1537, 1885)]