81231164

素因数分解:

$2^2\times 7^1\times {\mathrm{751}}^1\times {\mathrm{3863}}^1$

素因数の和:4625

約数の個数: 24

約数和(自身を含む): 162720768

約数和(自身を除く): 81489604

約数列:

[1, 2, 4, 7, 14, 28, 751, 1502, 3004, 3863, 5257, 7726, 10514, 15452, 21028, 27041, 54082, 108164, 2901113, 5802226, 11604452, 20307791, 40615582, 81231164]

約数ペア:

[(1, 81231164), (2, 40615582), (4, 20307791), (7, 11604452), (14, 5802226), (28, 2901113), (751, 108164), (1502, 54082), (3004, 27041), (3863, 21028), (5257, 15452), (7726, 10514)]