71390990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{38177}}^1$

素因数の和:38212

約数の個数: 32

約数和(自身を含む): 148436064

約数和(自身を除く): 77045074

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 38177, 76354, 190885, 381770, 419947, 649009, 839894, 1298018, 2099735, 3245045, 4199470, 6490090, 7139099, 14278198, 35695495, 71390990]

約数ペア:

[(1, 71390990), (2, 35695495), (5, 14278198), (10, 7139099), (11, 6490090), (17, 4199470), (22, 3245045), (34, 2099735), (55, 1298018), (85, 839894), (110, 649009), (170, 419947), (187, 381770), (374, 190885), (935, 76354), (1870, 38177)]