81999178

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{15607}}^1$

素因数の和:15717

約数の個数: 16

約数和(自身を含む): 128110464

約数和(自身を除く): 46111286

約数列:

[1, 2, 37, 71, 74, 142, 2627, 5254, 15607, 31214, 577459, 1108097, 1154918, 2216194, 40999589, 81999178]

約数ペア:

[(1, 81999178), (2, 40999589), (37, 2216194), (71, 1154918), (74, 1108097), (142, 577459), (2627, 31214), (5254, 15607)]