220171912

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{243553}}^1$

素因数の和:243672

約数の個数: 16

約数和(自身を含む): 416477340

約数和(自身を除く): 196305428

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 243553, 487106, 974212, 1948424, 27521489, 55042978, 110085956, 220171912]

約数ペア:

[(1, 220171912), (2, 110085956), (4, 55042978), (8, 27521489), (113, 1948424), (226, 974212), (452, 487106), (904, 243553)]