12551915

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{739}}^1$

素因数の和:866

約数の個数: 16

約数和(自身を含む): 15628800

約数和(自身を除く): 3076885

約数列:

[1, 5, 43, 79, 215, 395, 739, 3397, 3695, 16985, 31777, 58381, 158885, 291905, 2510383, 12551915]

約数ペア:

[(1, 12551915), (5, 2510383), (43, 291905), (79, 158885), (215, 58381), (395, 31777), (739, 16985), (3397, 3695)]