128632609

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{433}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 156323328

約数和(自身を除く): 27690719

約数列:

[1, 7, 31, 37, 217, 259, 433, 1147, 1369, 3031, 8029, 9583, 13423, 16021, 42439, 93961, 112147, 297073, 496651, 592777, 3476557, 4149439, 18376087, 128632609]

約数ペア:

[(1, 128632609), (7, 18376087), (31, 4149439), (37, 3476557), (217, 592777), (259, 496651), (433, 297073), (1147, 112147), (1369, 93961), (3031, 42439), (8029, 16021), (9583, 13423)]