81157406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{677}}^1\times {\mathrm{5449}}^1$

素因数の和:6139

約数の個数: 16

約数和(自身を含む): 133023600

約数和(自身を除く): 51866194

約数列:

[1, 2, 11, 22, 677, 1354, 5449, 7447, 10898, 14894, 59939, 119878, 3688973, 7377946, 40578703, 81157406]

約数ペア:

[(1, 81157406), (2, 40578703), (11, 7377946), (22, 3688973), (677, 119878), (1354, 59939), (5449, 14894), (7447, 10898)]