81975998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{4447}}^1$

素因数の和:5171

約数の個数: 16

約数和(自身を含む): 132639360

約数和(自身を除く): 50663362

約数列:

[1, 2, 13, 26, 709, 1418, 4447, 8894, 9217, 18434, 57811, 115622, 3152923, 6305846, 40987999, 81975998]

約数ペア:

[(1, 81975998), (2, 40987999), (13, 6305846), (26, 3152923), (709, 115622), (1418, 57811), (4447, 18434), (8894, 9217)]