1298765

素因数分解:

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

素因数の和:113

約数の個数: 24

約数和(自身を含む): 1778760

約数和(自身を除く): 479995

約数列:

[1, 5, 13, 29, 53, 65, 145, 169, 265, 377, 689, 845, 1537, 1885, 3445, 4901, 7685, 8957, 19981, 24505, 44785, 99905, 259753, 1298765]

約数ペア:

[(1, 1298765), (5, 259753), (13, 99905), (29, 44785), (53, 24505), (65, 19981), (145, 8957), (169, 7685), (265, 4901), (377, 3445), (689, 1885), (845, 1537)]