81961426

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{7507}}^1$

素因数の和:7665

約数の個数: 16

約数和(自身を含む): 126494784

約数和(自身を除く): 44533358

約数列:

[1, 2, 53, 103, 106, 206, 5459, 7507, 10918, 15014, 397871, 773221, 795742, 1546442, 40980713, 81961426]

約数ペア:

[(1, 81961426), (2, 40980713), (53, 1546442), (103, 795742), (106, 773221), (206, 397871), (5459, 15014), (7507, 10918)]