90207986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{19433}}^1$

素因数の和:19657

約数の個数: 16

約数和(自身を含む): 148320288

約数和(自身を除く): 58112302

約数列:

[1, 2, 11, 22, 211, 422, 2321, 4642, 19433, 38866, 213763, 427526, 4100363, 8200726, 45103993, 90207986]

約数ペア:

[(1, 90207986), (2, 45103993), (11, 8200726), (22, 4100363), (211, 427526), (422, 213763), (2321, 38866), (4642, 19433)]