208482781

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{30431}}^1$

素因数の和:30492

約数の個数: 16

約数和(自身を含む): 245403648

約数和(自身を除く): 36920867

約数列:

[1, 13, 17, 31, 221, 403, 527, 6851, 30431, 395603, 517327, 943361, 6725251, 12263693, 16037137, 208482781]

約数ペア:

[(1, 208482781), (13, 16037137), (17, 12263693), (31, 6725251), (221, 943361), (403, 517327), (527, 395603), (6851, 30431)]