81005546

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1\times {\mathrm{1907}}^1$

素因数の和:2293

約数の個数: 16

約数和(自身を含む): 123775776

約数和(自身を除く): 42770230

約数列:

[1, 2, 67, 134, 317, 634, 1907, 3814, 21239, 42478, 127769, 255538, 604519, 1209038, 40502773, 81005546]

約数ペア:

[(1, 81005546), (2, 40502773), (67, 1209038), (134, 604519), (317, 255538), (634, 127769), (1907, 42478), (3814, 21239)]