81542018

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{5297}}^1$

素因数の和:5521

約数の個数: 16

約数和(自身を含む): 125880480

約数和(自身を除く): 44338462

約数列:

[1, 2, 43, 86, 179, 358, 5297, 7697, 10594, 15394, 227771, 455542, 948163, 1896326, 40771009, 81542018]

約数ペア:

[(1, 81542018), (2, 40771009), (43, 1896326), (86, 948163), (179, 455542), (358, 227771), (5297, 15394), (7697, 10594)]