256479170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{757}}^1\times {\mathrm{1993}}^1$

素因数の和:2774

約数の個数: 32

約数和(自身を含む): 489710448

約数和(自身を除く): 233231278

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 757, 1514, 1993, 3785, 3986, 7570, 9965, 12869, 19930, 25738, 33881, 64345, 67762, 128690, 169405, 338810, 1508701, 3017402, 7543505, 15087010, 25647917, 51295834, 128239585, 256479170]

約数ペア:

[(1, 256479170), (2, 128239585), (5, 51295834), (10, 25647917), (17, 15087010), (34, 7543505), (85, 3017402), (170, 1508701), (757, 338810), (1514, 169405), (1993, 128690), (3785, 67762), (3986, 64345), (7570, 33881), (9965, 25738), (12869, 19930)]