858780004

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{74521}}^1$

素因数の和:74635

約数の個数: 24

約数和(自身を含む): 1560788768

約数和(自身を除く): 702008764

約数列:

[1, 2, 4, 43, 67, 86, 134, 172, 268, 2881, 5762, 11524, 74521, 149042, 298084, 3204403, 4992907, 6408806, 9985814, 12817612, 19971628, 214695001, 429390002, 858780004]

約数ペア:

[(1, 858780004), (2, 429390002), (4, 214695001), (43, 19971628), (67, 12817612), (86, 9985814), (134, 6408806), (172, 4992907), (268, 3204403), (2881, 298084), (5762, 149042), (11524, 74521)]