81429590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{569}}^1\times {\mathrm{1301}}^1$

素因数の和:1888

約数の個数: 32

約数和(自身を含む): 160302240

約数和(自身を除く): 78872650

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 569, 1138, 1301, 2602, 2845, 5690, 6259, 6505, 12518, 13010, 14311, 28622, 31295, 62590, 71555, 143110, 740269, 1480538, 3701345, 7402690, 8142959, 16285918, 40714795, 81429590]

約数ペア:

[(1, 81429590), (2, 40714795), (5, 16285918), (10, 8142959), (11, 7402690), (22, 3701345), (55, 1480538), (110, 740269), (569, 143110), (1138, 71555), (1301, 62590), (2602, 31295), (2845, 28622), (5690, 14311), (6259, 13010), (6505, 12518)]