28781148

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{647}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 73592064

約数和(自身を除く): 44810916

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 337, 647, 674, 1011, 1294, 1348, 1941, 2022, 2588, 3707, 3882, 4044, 7117, 7414, 7764, 11121, 14234, 14828, 21351, 22242, 28468, 42702, 44484, 85404, 218039, 436078, 654117, 872156, 1308234, 2398429, 2616468, 4796858, 7195287, 9593716, 14390574, 28781148]

約数ペア:

[(1, 28781148), (2, 14390574), (3, 9593716), (4, 7195287), (6, 4796858), (11, 2616468), (12, 2398429), (22, 1308234), (33, 872156), (44, 654117), (66, 436078), (132, 218039), (337, 85404), (647, 44484), (674, 42702), (1011, 28468), (1294, 22242), (1348, 21351), (1941, 14828), (2022, 14234), (2588, 11121), (3707, 7764), (3882, 7414), (4044, 7117)]