81189544

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{2663}}^1$

素因数の和:2809

約数の個数: 32

約数和(自身を含む): 157921920

約数和(自身を除く): 76732376

約数列:

[1, 2, 4, 8, 37, 74, 103, 148, 206, 296, 412, 824, 2663, 3811, 5326, 7622, 10652, 15244, 21304, 30488, 98531, 197062, 274289, 394124, 548578, 788248, 1097156, 2194312, 10148693, 20297386, 40594772, 81189544]

約数ペア:

[(1, 81189544), (2, 40594772), (4, 20297386), (8, 10148693), (37, 2194312), (74, 1097156), (103, 788248), (148, 548578), (206, 394124), (296, 274289), (412, 197062), (824, 98531), (2663, 30488), (3811, 21304), (5326, 15244), (7622, 10652)]