13204225

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 17088192

約数和(自身を除く): 3883967

約数列:

[1, 5, 25, 43, 71, 173, 215, 355, 865, 1075, 1775, 3053, 4325, 7439, 12283, 15265, 37195, 61415, 76325, 185975, 307075, 528169, 2640845, 13204225]

約数ペア:

[(1, 13204225), (5, 2640845), (25, 528169), (43, 307075), (71, 185975), (173, 76325), (215, 61415), (355, 37195), (865, 15265), (1075, 12283), (1775, 7439), (3053, 4325)]