81391982

素因数分解:

$2^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{7867}}^1$

素因数の和:8615

約数の個数: 16

約数和(自身を含む): 139735680

約数和(自身を除く): 58343698

約数列:

[1, 2, 7, 14, 739, 1478, 5173, 7867, 10346, 15734, 55069, 110138, 5813713, 11627426, 40695991, 81391982]

約数ペア:

[(1, 81391982), (2, 40695991), (7, 11627426), (14, 5813713), (739, 110138), (1478, 55069), (5173, 15734), (7867, 10346)]