17618225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1279}}^1$

素因数の和:1337

約数の個数: 24

約数和(自身を含む): 23808000

約数和(自身を除く): 6189775

約数列:

[1, 5, 19, 25, 29, 95, 145, 475, 551, 725, 1279, 2755, 6395, 13775, 24301, 31975, 37091, 121505, 185455, 607525, 704729, 927275, 3523645, 17618225]

約数ペア:

[(1, 17618225), (5, 3523645), (19, 927275), (25, 704729), (29, 607525), (95, 185455), (145, 121505), (475, 37091), (551, 31975), (725, 24301), (1279, 13775), (2755, 6395)]