28774540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{84631}}^1$

素因数の和:84657

約数の個数: 24

約数和(自身を含む): 63981792

約数和(自身を除く): 35207252

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 84631, 169262, 338524, 423155, 846310, 1438727, 1692620, 2877454, 5754908, 7193635, 14387270, 28774540]

約数ペア:

[(1, 28774540), (2, 14387270), (4, 7193635), (5, 5754908), (10, 2877454), (17, 1692620), (20, 1438727), (34, 846310), (68, 423155), (85, 338524), (170, 169262), (340, 84631)]