217814498

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{19841}}^1$

素因数の和:20353

約数の個数: 16

約数和(自身を含む): 357156000

約数和(自身を除く): 139341502

約数列:

[1, 2, 11, 22, 499, 998, 5489, 10978, 19841, 39682, 218251, 436502, 9900659, 19801318, 108907249, 217814498]

約数ペア:

[(1, 217814498), (2, 108907249), (11, 19801318), (22, 9900659), (499, 436502), (998, 218251), (5489, 39682), (10978, 19841)]