81380238

素因数分解:

$2^1\times 3^1\times {\mathrm{173}}^1\times {\mathrm{78401}}^1$

素因数の和:78579

約数の個数: 16

約数和(自身を含む): 163703376

約数和(自身を除く): 82323138

約数列:

[1, 2, 3, 6, 173, 346, 519, 1038, 78401, 156802, 235203, 470406, 13563373, 27126746, 40690119, 81380238]

約数ペア:

[(1, 81380238), (2, 40690119), (3, 27126746), (6, 13563373), (173, 470406), (346, 235203), (519, 156802), (1038, 78401)]