81312412

素因数分解:

$2^2\times {\mathrm{1303}}^1\times {\mathrm{15601}}^1$

素因数の和:16908

約数の個数: 12

約数和(自身を含む): 142415056

約数和(自身を除く): 61102644

約数列:

[1, 2, 4, 1303, 2606, 5212, 15601, 31202, 62404, 20328103, 40656206, 81312412]

約数ペア:

[(1, 81312412), (2, 40656206), (4, 20328103), (1303, 62404), (2606, 31202), (5212, 15601)]