66857515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{5209}}^1$

素因数の和:5382

約数の個数: 16

約数和(自身を含む): 85527360

約数和(自身を除く): 18669845

約数列:

[1, 5, 17, 85, 151, 755, 2567, 5209, 12835, 26045, 88553, 442765, 786559, 3932795, 13371503, 66857515]

約数ペア:

[(1, 66857515), (5, 13371503), (17, 3932795), (85, 786559), (151, 442765), (755, 88553), (2567, 26045), (5209, 12835)]