81511138

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1\times {\mathrm{1579}}^1$

素因数の和:2121

約数の個数: 16

約数和(自身を含む): 124908480

約数和(自身を除く): 43397342

約数列:

[1, 2, 53, 106, 487, 974, 1579, 3158, 25811, 51622, 83687, 167374, 768973, 1537946, 40755569, 81511138]

約数ペア:

[(1, 81511138), (2, 40755569), (53, 1537946), (106, 768973), (487, 167374), (974, 83687), (1579, 51622), (3158, 25811)]