81186578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{78517}}^1$

素因数の和:78577

約数の個数: 16

約数和(自身を含む): 135679104

約数和(自身を除く): 54492526

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 78517, 157034, 863687, 1727374, 3690299, 7380598, 40593289, 81186578]

約数ペア:

[(1, 81186578), (2, 40593289), (11, 7380598), (22, 3690299), (47, 1727374), (94, 863687), (517, 157034), (1034, 78517)]