13640081

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:83

約数の個数: 40

約数和(自身を含む): 18822720

約数和(自身を除く): 5182639

約数列:

[1, 7, 13, 19, 23, 49, 91, 133, 161, 247, 299, 343, 437, 637, 931, 1127, 1729, 2093, 2401, 3059, 4459, 5681, 6517, 7889, 12103, 14651, 21413, 31213, 39767, 45619, 55223, 84721, 102557, 149891, 278369, 593047, 717899, 1049237, 1948583, 13640081]

約数ペア:

[(1, 13640081), (7, 1948583), (13, 1049237), (19, 717899), (23, 593047), (49, 278369), (91, 149891), (133, 102557), (161, 84721), (247, 55223), (299, 45619), (343, 39767), (437, 31213), (637, 21413), (931, 14651), (1127, 12103), (1729, 7889), (2093, 6517), (2401, 5681), (3059, 4459)]