42557116

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{21407}}^1$

素因数の和:21489

約数の個数: 24

約数和(自身を含む): 86317056

約数和(自身を除く): 43759940

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 21407, 42814, 85628, 149849, 299698, 599396, 1519897, 3039794, 6079588, 10639279, 21278558, 42557116]

約数ペア:

[(1, 42557116), (2, 21278558), (4, 10639279), (7, 6079588), (14, 3039794), (28, 1519897), (71, 599396), (142, 299698), (284, 149849), (497, 85628), (994, 42814), (1988, 21407)]