8400000004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{190909091}}^1$

素因数の和:190909106

約数の個数: 12

約数和(自身を含む): 16036363728

約数和(自身を除く): 7636363724

約数列:

[1, 2, 4, 11, 22, 44, 190909091, 381818182, 763636364, 2100000001, 4200000002, 8400000004]

約数ペア:

[(1, 8400000004), (2, 4200000002), (4, 2100000001), (11, 763636364), (22, 381818182), (44, 190909091)]