85718590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{1123}}^1$

素因数の和:1596

約数の個数: 32

約数和(自身を含む): 163879200

約数和(自身を除く): 78160610

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 449, 898, 1123, 2245, 2246, 4490, 5615, 7633, 11230, 15266, 19091, 38165, 38182, 76330, 95455, 190910, 504227, 1008454, 2521135, 5042270, 8571859, 17143718, 42859295, 85718590]

約数ペア:

[(1, 85718590), (2, 42859295), (5, 17143718), (10, 8571859), (17, 5042270), (34, 2521135), (85, 1008454), (170, 504227), (449, 190910), (898, 95455), (1123, 76330), (2245, 38182), (2246, 38165), (4490, 19091), (5615, 15266), (7633, 11230)]