64571312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{310439}}^1$

素因数の和:310460

約数の個数: 20

約数和(自身を含む): 134730960

約数和(自身を除く): 70159648

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 310439, 620878, 1241756, 2483512, 4035707, 4967024, 8071414, 16142828, 32285656, 64571312]

約数ペア:

[(1, 64571312), (2, 32285656), (4, 16142828), (8, 8071414), (13, 4967024), (16, 4035707), (26, 2483512), (52, 1241756), (104, 620878), (208, 310439)]