81442396

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^2\times {\mathrm{577}}^1$

素因数の和:730

約数の個数: 36

約数和(自身を含む): 165497584

約数和(自身を除く): 84055188

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 577, 994, 1154, 1988, 2308, 4039, 5041, 8078, 10082, 16156, 20164, 35287, 40967, 70574, 81934, 141148, 163868, 286769, 573538, 1147076, 2908657, 5817314, 11634628, 20360599, 40721198, 81442396]

約数ペア:

[(1, 81442396), (2, 40721198), (4, 20360599), (7, 11634628), (14, 5817314), (28, 2908657), (71, 1147076), (142, 573538), (284, 286769), (497, 163868), (577, 141148), (994, 81934), (1154, 70574), (1988, 40967), (2308, 35287), (4039, 20164), (5041, 16156), (8078, 10082)]