12800666

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{613}}^1$

素因数の和:865

約数の個数: 16

約数和(自身を含む): 19694664

約数和(自身を除く): 6893998

約数列:

[1, 2, 53, 106, 197, 394, 613, 1226, 10441, 20882, 32489, 64978, 120761, 241522, 6400333, 12800666]

約数ペア:

[(1, 12800666), (2, 6400333), (53, 241522), (106, 120761), (197, 64978), (394, 32489), (613, 20882), (1226, 10441)]