71365660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{12347}}^1$

素因数の和:12390

約数の個数: 36

約数和(自身を含む): 159215112

約数和(自身を除く): 87849452

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 12347, 24694, 49388, 61735, 123470, 209899, 246940, 419798, 839596, 1049495, 2098990, 3568283, 4197980, 7136566, 14273132, 17841415, 35682830, 71365660]

約数ペア:

[(1, 71365660), (2, 35682830), (4, 17841415), (5, 14273132), (10, 7136566), (17, 4197980), (20, 3568283), (34, 2098990), (68, 1049495), (85, 839596), (170, 419798), (289, 246940), (340, 209899), (578, 123470), (1156, 61735), (1445, 49388), (2890, 24694), (5780, 12347)]