28806670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{709}}^1$

素因数の和:972

約数の個数: 32

約数和(自身を含む): 55209600

約数和(自身を除く): 26402930

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 239, 478, 709, 1195, 1418, 2390, 3545, 4063, 7090, 8126, 12053, 20315, 24106, 40630, 60265, 120530, 169451, 338902, 847255, 1694510, 2880667, 5761334, 14403335, 28806670]

約数ペア:

[(1, 28806670), (2, 14403335), (5, 5761334), (10, 2880667), (17, 1694510), (34, 847255), (85, 338902), (170, 169451), (239, 120530), (478, 60265), (709, 40630), (1195, 24106), (1418, 20315), (2390, 12053), (3545, 8126), (4063, 7090)]