2561218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2477}}^1$

素因数の和:2537

約数の個数: 16

約数和(自身を含む): 4281984

約数和(自身を除く): 1720766

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 2477, 4954, 27247, 54494, 116419, 232838, 1280609, 2561218]

約数ペア:

[(1, 2561218), (2, 1280609), (11, 232838), (22, 116419), (47, 54494), (94, 27247), (517, 4954), (1034, 2477)]