81123152

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{4079}}^1$

素因数の和:4211

約数の個数: 40

約数和(自身を含む): 173024640

約数和(自身を除く): 91901488

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 113, 176, 226, 452, 904, 1243, 1808, 2486, 4079, 4972, 8158, 9944, 16316, 19888, 32632, 44869, 65264, 89738, 179476, 358952, 460927, 717904, 921854, 1843708, 3687416, 5070197, 7374832, 10140394, 20280788, 40561576, 81123152]

約数ペア:

[(1, 81123152), (2, 40561576), (4, 20280788), (8, 10140394), (11, 7374832), (16, 5070197), (22, 3687416), (44, 1843708), (88, 921854), (113, 717904), (176, 460927), (226, 358952), (452, 179476), (904, 89738), (1243, 65264), (1808, 44869), (2486, 32632), (4079, 19888), (4972, 16316), (8158, 9944)]