1389830975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{811}}^1\times {\mathrm{5273}}^1$

素因数の和:6107

約数の個数: 24

約数和(自身を含む): 1858599792

約数和(自身を除く): 468768817

約数列:

[1, 5, 13, 25, 65, 325, 811, 4055, 5273, 10543, 20275, 26365, 52715, 68549, 131825, 263575, 342745, 1713725, 4276403, 21382015, 55593239, 106910075, 277966195, 1389830975]

約数ペア:

[(1, 1389830975), (5, 277966195), (13, 106910075), (25, 55593239), (65, 21382015), (325, 4276403), (811, 1713725), (4055, 342745), (5273, 263575), (10543, 131825), (20275, 68549), (26365, 52715)]