15902990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{673}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 30572640

約数和(自身を除く): 14669650

約数列:

[1, 2, 5, 10, 17, 34, 85, 139, 170, 278, 673, 695, 1346, 1390, 2363, 3365, 4726, 6730, 11441, 11815, 22882, 23630, 57205, 93547, 114410, 187094, 467735, 935470, 1590299, 3180598, 7951495, 15902990]

約数ペア:

[(1, 15902990), (2, 7951495), (5, 3180598), (10, 1590299), (17, 935470), (34, 467735), (85, 187094), (139, 114410), (170, 93547), (278, 57205), (673, 23630), (695, 22882), (1346, 11815), (1390, 11441), (2363, 6730), (3365, 4726)]