81850572

素因数分解:

$2^2\times 3^2\times {\mathrm{641}}^1\times {\mathrm{3547}}^1$

素因数の和:4198

約数の個数: 36

約数和(自身を含む): 207281256

約数和(自身を除く): 125430684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 641, 1282, 1923, 2564, 3547, 3846, 5769, 7094, 7692, 10641, 11538, 14188, 21282, 23076, 31923, 42564, 63846, 127692, 2273627, 4547254, 6820881, 9094508, 13641762, 20462643, 27283524, 40925286, 81850572]

約数ペア:

[(1, 81850572), (2, 40925286), (3, 27283524), (4, 20462643), (6, 13641762), (9, 9094508), (12, 6820881), (18, 4547254), (36, 2273627), (641, 127692), (1282, 63846), (1923, 42564), (2564, 31923), (3547, 23076), (3846, 21282), (5769, 14188), (7094, 11538), (7692, 10641)]