81219054

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{4871}}^1$

素因数の和:5280

約数の個数: 32

約数和(自身を含む): 186149376

約数和(自身を除く): 104930322

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 397, 794, 1191, 2382, 2779, 4871, 5558, 8337, 9742, 14613, 16674, 29226, 34097, 68194, 102291, 204582, 1933787, 3867574, 5801361, 11602722, 13536509, 27073018, 40609527, 81219054]

約数ペア:

[(1, 81219054), (2, 40609527), (3, 27073018), (6, 13536509), (7, 11602722), (14, 5801361), (21, 3867574), (42, 1933787), (397, 204582), (794, 102291), (1191, 68194), (2382, 34097), (2779, 29226), (4871, 16674), (5558, 14613), (8337, 9742)]