81978126

素因数分解:

$2^1\times 3^1\times {\mathrm{173}}^1\times {\mathrm{78977}}^1$

素因数の和:79155

約数の個数: 16

約数和(自身を含む): 164906064

約数和(自身を除く): 82927938

約数列:

[1, 2, 3, 6, 173, 346, 519, 1038, 78977, 157954, 236931, 473862, 13663021, 27326042, 40989063, 81978126]

約数ペア:

[(1, 81978126), (2, 40989063), (3, 27326042), (6, 13663021), (173, 473862), (346, 236931), (519, 157954), (1038, 78977)]