81807418

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{3259}}^1$

素因数の和:3442

約数の個数: 32

約数和(自身を含む): 153976320

約数和(自身を除く): 72168902

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 163, 326, 1141, 1793, 2282, 3259, 3586, 6518, 12551, 22813, 25102, 35849, 45626, 71698, 250943, 501886, 531217, 1062434, 3718519, 5843387, 7437038, 11686774, 40903709, 81807418]

約数ペア:

[(1, 81807418), (2, 40903709), (7, 11686774), (11, 7437038), (14, 5843387), (22, 3718519), (77, 1062434), (154, 531217), (163, 501886), (326, 250943), (1141, 71698), (1793, 45626), (2282, 35849), (3259, 25102), (3586, 22813), (6518, 12551)]