81959218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{941}}^1$

素因数の和:1098

約数の個数: 32

約数和(自身を含む): 139174848

約数和(自身を除く): 57215630

約数列:

[1, 2, 11, 22, 37, 74, 107, 214, 407, 814, 941, 1177, 1882, 2354, 3959, 7918, 10351, 20702, 34817, 43549, 69634, 87098, 100687, 201374, 382987, 765974, 1107557, 2215114, 3725419, 7450838, 40979609, 81959218]

約数ペア:

[(1, 81959218), (2, 40979609), (11, 7450838), (22, 3725419), (37, 2215114), (74, 1107557), (107, 765974), (214, 382987), (407, 201374), (814, 100687), (941, 87098), (1177, 69634), (1882, 43549), (2354, 34817), (3959, 20702), (7918, 10351)]