81635854

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1\times {\mathrm{971}}^1$

素因数の和:1431

約数の個数: 16

約数和(自身を含む): 123918336

約数和(自身を除く): 42282482

約数列:

[1, 2, 127, 254, 331, 662, 971, 1942, 42037, 84074, 123317, 246634, 321401, 642802, 40817927, 81635854]

約数ペア:

[(1, 81635854), (2, 40817927), (127, 642802), (254, 321401), (331, 246634), (662, 123317), (971, 84074), (1942, 42037)]