688889470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{66431}}^1$

素因数の和:66516

約数の個数: 32

約数和(自身を含む): 1334486016

約数和(自身を除く): 645596546

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 122, 170, 305, 610, 1037, 2074, 5185, 10370, 66431, 132862, 332155, 664310, 1129327, 2258654, 4052291, 5646635, 8104582, 11293270, 20261455, 40522910, 68888947, 137777894, 344444735, 688889470]

約数ペア:

[(1, 688889470), (2, 344444735), (5, 137777894), (10, 68888947), (17, 40522910), (34, 20261455), (61, 11293270), (85, 8104582), (122, 5646635), (170, 4052291), (305, 2258654), (610, 1129327), (1037, 664310), (2074, 332155), (5185, 132862), (10370, 66431)]