1990082017

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{108139}}^1$

素因数の和:108396

約数の個数: 16

約数和(自身を含む): 2491545600

約数和(自身を除く): 501463583

約数列:

[1, 7, 11, 77, 239, 1673, 2629, 18403, 108139, 756973, 1189529, 8326703, 25845221, 180916547, 284297431, 1990082017]

約数ペア:

[(1, 1990082017), (7, 284297431), (11, 180916547), (77, 25845221), (239, 8326703), (1673, 1189529), (2629, 756973), (18403, 108139)]