15996295

素因数分解:

$5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{599}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 22572000

約数和(自身を除く): 6575705

約数列:

[1, 5, 7, 35, 49, 109, 245, 545, 599, 763, 2995, 3815, 4193, 5341, 20965, 26705, 29351, 65291, 146755, 326455, 457037, 2285185, 3199259, 15996295]

約数ペア:

[(1, 15996295), (5, 3199259), (7, 2285185), (35, 457037), (49, 326455), (109, 146755), (245, 65291), (545, 29351), (599, 26705), (763, 20965), (2995, 5341), (3815, 4193)]