81161054

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{353}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 135596160

約数和(自身を除く): 54435106

約数列:

[1, 2, 13, 26, 37, 74, 239, 353, 478, 481, 706, 962, 3107, 4589, 6214, 8843, 9178, 13061, 17686, 26122, 84367, 114959, 168734, 169793, 229918, 339586, 1096771, 2193542, 3121579, 6243158, 40580527, 81161054]

約数ペア:

[(1, 81161054), (2, 40580527), (13, 6243158), (26, 3121579), (37, 2193542), (74, 1096771), (239, 339586), (353, 229918), (478, 169793), (481, 168734), (706, 114959), (962, 84367), (3107, 26122), (4589, 17686), (6214, 13061), (8843, 9178)]