78876872

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{1721}}^1$

素因数の和:2081

約数の個数: 32

約数和(自身を含む): 157149720

約数和(自身を除く): 78272848

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 337, 674, 1348, 1721, 2696, 3442, 5729, 6884, 11458, 13768, 22916, 29257, 45832, 58514, 117028, 234056, 579977, 1159954, 2319908, 4639816, 9859609, 19719218, 39438436, 78876872]

約数ペア:

[(1, 78876872), (2, 39438436), (4, 19719218), (8, 9859609), (17, 4639816), (34, 2319908), (68, 1159954), (136, 579977), (337, 234056), (674, 117028), (1348, 58514), (1721, 45832), (2696, 29257), (3442, 22916), (5729, 13768), (6884, 11458)]