1220236798

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{399031}}^1$

素因数の和:399183

約数の個数: 16

約数和(自身を含む): 2011121280

約数和(自身を除く): 790884482

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 399031, 798062, 4389341, 8778682, 55465309, 110930618, 610118399, 1220236798]

約数ペア:

[(1, 1220236798), (2, 610118399), (11, 110930618), (22, 55465309), (139, 8778682), (278, 4389341), (1529, 798062), (3058, 399031)]