2561119

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:278

約数の個数: 16

約数和(自身を含む): 2985984

約数和(自身を除く): 424865

約数列:

[1, 11, 23, 53, 191, 253, 583, 1219, 2101, 4393, 10123, 13409, 48323, 111353, 232829, 2561119]

約数ペア:

[(1, 2561119), (11, 232829), (23, 111353), (53, 48323), (191, 13409), (253, 10123), (583, 4393), (1219, 2101)]