31385978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{4177}}^1$

素因数の和:4226

約数の個数: 24

約数和(自身を含む): 53871132

約数和(自身を除く): 22485154

約数列:

[1, 2, 13, 17, 26, 34, 221, 289, 442, 578, 3757, 4177, 7514, 8354, 54301, 71009, 108602, 142018, 923117, 1207153, 1846234, 2414306, 15692989, 31385978]

約数ペア:

[(1, 31385978), (2, 15692989), (13, 2414306), (17, 1846234), (26, 1207153), (34, 923117), (221, 142018), (289, 108602), (442, 71009), (578, 54301), (3757, 8354), (4177, 7514)]