81385538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{27701}}^1$

素因数の和:27829

約数の個数: 16

約数和(自身を含む): 132637176

約数和(自身を除く): 51251638

約数列:

[1, 2, 13, 26, 113, 226, 1469, 2938, 27701, 55402, 360113, 720226, 3130213, 6260426, 40692769, 81385538]

約数ペア:

[(1, 81385538), (2, 40692769), (13, 6260426), (26, 3130213), (113, 720226), (226, 360113), (1469, 55402), (2938, 27701)]