3988355

素因数分解:

$5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:315

約数の個数: 24

約数和(自身を含む): 5668992

約数和(自身を除く): 1680637

約数列:

[1, 5, 7, 35, 49, 73, 223, 245, 365, 511, 1115, 1561, 2555, 3577, 7805, 10927, 16279, 17885, 54635, 81395, 113953, 569765, 797671, 3988355]

約数ペア:

[(1, 3988355), (5, 797671), (7, 569765), (35, 113953), (49, 81395), (73, 54635), (223, 17885), (245, 16279), (365, 10927), (511, 7805), (1115, 3577), (1561, 2555)]