15878051

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 20528640

約数和(自身を除く): 4650589

約数列:

[1, 7, 17, 29, 43, 107, 119, 203, 301, 493, 731, 749, 1247, 1819, 3103, 3451, 4601, 5117, 8729, 12733, 21199, 21721, 32207, 52751, 78217, 133429, 148393, 369257, 547519, 934003, 2268293, 15878051]

約数ペア:

[(1, 15878051), (7, 2268293), (17, 934003), (29, 547519), (43, 369257), (107, 148393), (119, 133429), (203, 78217), (301, 52751), (493, 32207), (731, 21721), (749, 21199), (1247, 12733), (1819, 8729), (3103, 5117), (3451, 4601)]