31612180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{853}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 71018640

約数和(自身を除く): 39406460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 340, 436, 545, 853, 1090, 1706, 1853, 2180, 3412, 3706, 4265, 7412, 8530, 9265, 14501, 17060, 18530, 29002, 37060, 58004, 72505, 92977, 145010, 185954, 290020, 371908, 464885, 929770, 1580609, 1859540, 3161218, 6322436, 7903045, 15806090, 31612180]

約数ペア:

[(1, 31612180), (2, 15806090), (4, 7903045), (5, 6322436), (10, 3161218), (17, 1859540), (20, 1580609), (34, 929770), (68, 464885), (85, 371908), (109, 290020), (170, 185954), (218, 145010), (340, 92977), (436, 72505), (545, 58004), (853, 37060), (1090, 29002), (1706, 18530), (1853, 17060), (2180, 14501), (3412, 9265), (3706, 8530), (4265, 7412)]