51382135

素因数分解:

$5^1\times 7^2\times {\mathrm{401}}^1\times {\mathrm{523}}^1$

素因数の和:943

約数の個数: 24

約数和(自身を含む): 72041616

約数和(自身を除く): 20659481

約数列:

[1, 5, 7, 35, 49, 245, 401, 523, 2005, 2615, 2807, 3661, 14035, 18305, 19649, 25627, 98245, 128135, 209723, 1048615, 1468061, 7340305, 10276427, 51382135]

約数ペア:

[(1, 51382135), (5, 10276427), (7, 7340305), (35, 1468061), (49, 1048615), (245, 209723), (401, 128135), (523, 98245), (2005, 25627), (2615, 19649), (2807, 18305), (3661, 14035)]