13187455

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{739}}^1$

素因数の和:870

約数の個数: 16

約数和(自身を含む): 16410240

約数和(自身を除く): 3222785

約数列:

[1, 5, 43, 83, 215, 415, 739, 3569, 3695, 17845, 31777, 61337, 158885, 306685, 2637491, 13187455]

約数ペア:

[(1, 13187455), (5, 2637491), (43, 306685), (83, 158885), (215, 61337), (415, 31777), (739, 17845), (3569, 3695)]