129642788

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{267857}}^1$

素因数の和:267883

約数の個数: 18

約数和(自身を含む): 249375798

約数和(自身を除く): 119733010

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 267857, 535714, 1071428, 2946427, 5892854, 11785708, 32410697, 64821394, 129642788]

約数ペア:

[(1, 129642788), (2, 64821394), (4, 32410697), (11, 11785708), (22, 5892854), (44, 2946427), (121, 1071428), (242, 535714), (484, 267857)]