519881945

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{191}}^1\times {\mathrm{409}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 691476480

約数和(自身を除く): 171594535

約数列:

[1, 5, 11, 55, 121, 191, 409, 605, 955, 1331, 2045, 2101, 4499, 6655, 10505, 22495, 23111, 49489, 78119, 115555, 247445, 254221, 390595, 544379, 859309, 1271105, 2721895, 4296545, 9452399, 47261995, 103976389, 519881945]

約数ペア:

[(1, 519881945), (5, 103976389), (11, 47261995), (55, 9452399), (121, 4296545), (191, 2721895), (409, 1271105), (605, 859309), (955, 544379), (1331, 390595), (2045, 254221), (2101, 247445), (4499, 115555), (6655, 78119), (10505, 49489), (22495, 23111)]