209962786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{180071}}^1$

素因数の和:180137

約数の個数: 16

約数和(自身を含む): 350059968

約数和(自身を除く): 140097182

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 180071, 360142, 1980781, 3961562, 9543763, 19087526, 104981393, 209962786]

約数ペア:

[(1, 209962786), (2, 104981393), (11, 19087526), (22, 9543763), (53, 3961562), (106, 1980781), (583, 360142), (1166, 180071)]