643490804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1321}}^1\times {\mathrm{11071}}^1$

素因数の和:12407

約数の個数: 24

約数和(自身を含む): 1229523456

約数和(自身を除く): 586032652

約数列:

[1, 2, 4, 11, 22, 44, 1321, 2642, 5284, 11071, 14531, 22142, 29062, 44284, 58124, 121781, 243562, 487124, 14624791, 29249582, 58499164, 160872701, 321745402, 643490804]

約数ペア:

[(1, 643490804), (2, 321745402), (4, 160872701), (11, 58499164), (22, 29249582), (44, 14624791), (1321, 487124), (2642, 243562), (5284, 121781), (11071, 58124), (14531, 44284), (22142, 29062)]