66312665

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{18143}}^1$

素因数の和:18208

約数の個数: 16

約数和(自身を含む): 86220288

約数和(自身を除く): 19907623

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 18143, 90715, 308431, 780149, 1542155, 3900745, 13262533, 66312665]

約数ペア:

[(1, 66312665), (5, 13262533), (17, 3900745), (43, 1542155), (85, 780149), (215, 308431), (731, 90715), (3655, 18143)]