22216925

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 28807680

約数和(自身を除く): 6590755

約数列:

[1, 5, 25, 31, 109, 155, 263, 545, 775, 1315, 2725, 3379, 6575, 8153, 16895, 28667, 40765, 84475, 143335, 203825, 716675, 888677, 4443385, 22216925]

約数ペア:

[(1, 22216925), (5, 4443385), (25, 888677), (31, 716675), (109, 203825), (155, 143335), (263, 84475), (545, 40765), (775, 28667), (1315, 16895), (2725, 8153), (3379, 6575)]