406902145

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{443}}^1\times {\mathrm{1087}}^1$

素因数の和:1561

約数の個数: 24

約数和(自身を含む): 530413056

約数和(自身を除く): 123510911

約数列:

[1, 5, 13, 65, 169, 443, 845, 1087, 2215, 5435, 5759, 14131, 28795, 70655, 74867, 183703, 374335, 481541, 918515, 2407705, 6260033, 31300165, 81380429, 406902145]

約数ペア:

[(1, 406902145), (5, 81380429), (13, 31300165), (65, 6260033), (169, 2407705), (443, 918515), (845, 481541), (1087, 374335), (2215, 183703), (5435, 74867), (5759, 70655), (14131, 28795)]