640300968

素因数分解:

$2^3\times 3^2\times {\mathrm{8893069}}^1$

素因数の和:8893081

約数の個数: 24

約数和(自身を含む): 1734148650

約数和(自身を除く): 1093847682

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 8893069, 17786138, 26679207, 35572276, 53358414, 71144552, 80037621, 106716828, 160075242, 213433656, 320150484, 640300968]

約数ペア:

[(1, 640300968), (2, 320150484), (3, 213433656), (4, 160075242), (6, 106716828), (8, 80037621), (9, 71144552), (12, 53358414), (18, 35572276), (24, 26679207), (36, 17786138), (72, 8893069)]