57728575

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{647}}^1$

素因数の和:783

約数の個数: 24

約数和(自身を含む): 74245248

約数和(自身を除く): 16516673

約数列:

[1, 5, 25, 43, 83, 215, 415, 647, 1075, 2075, 3235, 3569, 16175, 17845, 27821, 53701, 89225, 139105, 268505, 695525, 1342525, 2309143, 11545715, 57728575]

約数ペア:

[(1, 57728575), (5, 11545715), (25, 2309143), (43, 1342525), (83, 695525), (215, 268505), (415, 139105), (647, 89225), (1075, 53701), (2075, 27821), (3235, 17845), (3569, 16175)]