13660025

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 17644704

約数和(自身を除く): 3984679

約数列:

[1, 5, 25, 43, 97, 131, 215, 485, 655, 1075, 2425, 3275, 4171, 5633, 12707, 20855, 28165, 63535, 104275, 140825, 317675, 546401, 2732005, 13660025]

約数ペア:

[(1, 13660025), (5, 2732005), (25, 546401), (43, 317675), (97, 140825), (131, 104275), (215, 63535), (485, 28165), (655, 20855), (1075, 12707), (2425, 5633), (3275, 4171)]