2788891622

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{505051}}^1$

素因数の和:505315

約数の個数: 16

約数和(自身を含む): 4581831744

約数和(自身を除く): 1792940122

約数列:

[1, 2, 11, 22, 251, 502, 2761, 5522, 505051, 1010102, 5555561, 11111122, 126767801, 253535602, 1394445811, 2788891622]

約数ペア:

[(1, 2788891622), (2, 1394445811), (11, 253535602), (22, 126767801), (251, 11111122), (502, 5555561), (2761, 1010102), (5522, 505051)]