168140908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{31393}}^1$

素因数の和:31513

約数の個数: 24

約数和(自身を含む): 319967648

約数和(自身を除く): 151826740

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 412, 1339, 2678, 5356, 31393, 62786, 125572, 408109, 816218, 1632436, 3233479, 6466958, 12933916, 42035227, 84070454, 168140908]

約数ペア:

[(1, 168140908), (2, 84070454), (4, 42035227), (13, 12933916), (26, 6466958), (52, 3233479), (103, 1632436), (206, 816218), (412, 408109), (1339, 125572), (2678, 62786), (5356, 31393)]