2663885

素因数分解:

$5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 3792096

約数和(自身を除く): 1128211

約数列:

[1, 5, 7, 35, 49, 83, 131, 245, 415, 581, 655, 917, 2905, 4067, 4585, 6419, 10873, 20335, 32095, 54365, 76111, 380555, 532777, 2663885]

約数ペア:

[(1, 2663885), (5, 532777), (7, 380555), (35, 76111), (49, 54365), (83, 32095), (131, 20335), (245, 10873), (415, 6419), (581, 4585), (655, 4067), (917, 2905)]