858754372

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1\times {\mathrm{887}}^1$

素因数の和:1456

約数の個数: 48

約数和(自身を含む): 1747243008

約数和(自身を除く): 888488636

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 487, 497, 887, 974, 994, 1774, 1948, 1988, 3409, 3548, 6209, 6818, 12418, 13636, 24836, 34577, 62977, 69154, 125954, 138308, 242039, 251908, 431969, 440839, 484078, 863938, 881678, 968156, 1727876, 1763356, 3023783, 6047566, 12095132, 30669799, 61339598, 122679196, 214688593, 429377186, 858754372]

約数ペア:

[(1, 858754372), (2, 429377186), (4, 214688593), (7, 122679196), (14, 61339598), (28, 30669799), (71, 12095132), (142, 6047566), (284, 3023783), (487, 1763356), (497, 1727876), (887, 968156), (974, 881678), (994, 863938), (1774, 484078), (1948, 440839), (1988, 431969), (3409, 251908), (3548, 242039), (6209, 138308), (6818, 125954), (12418, 69154), (13636, 62977), (24836, 34577)]