64815265

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{18181}}^1$

素因数の和:18240

約数の個数: 16

約数和(自身を含む): 83782656

約数和(自身を除く): 18967391

約数列:

[1, 5, 23, 31, 115, 155, 713, 3565, 18181, 90905, 418163, 563611, 2090815, 2818055, 12963053, 64815265]

約数ペア:

[(1, 64815265), (5, 12963053), (23, 2818055), (31, 2090815), (115, 563611), (155, 418163), (713, 90905), (3565, 18181)]