128694412

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{417839}}^1$

素因数の和:417861

約数の個数: 24

約数和(自身を含む): 280788480

約数和(自身を除く): 152094068

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 417839, 835678, 1671356, 2924873, 4596229, 5849746, 9192458, 11699492, 18384916, 32173603, 64347206, 128694412]

約数ペア:

[(1, 128694412), (2, 64347206), (4, 32173603), (7, 18384916), (11, 11699492), (14, 9192458), (22, 5849746), (28, 4596229), (44, 2924873), (77, 1671356), (154, 835678), (308, 417839)]