28410575

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:451

約数の個数: 24

約数和(自身を含む): 36828000

約数和(自身を除く): 8417425

約数列:

[1, 5, 25, 29, 145, 149, 263, 725, 745, 1315, 3725, 4321, 6575, 7627, 21605, 38135, 39187, 108025, 190675, 195935, 979675, 1136423, 5682115, 28410575]

約数ペア:

[(1, 28410575), (5, 5682115), (25, 1136423), (29, 979675), (145, 195935), (149, 190675), (263, 108025), (725, 39187), (745, 38135), (1315, 21605), (3725, 7627), (4321, 6575)]