81500078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{28279}}^1$

素因数の和:28423

約数の個数: 16

約数和(自身を含む): 134386560

約数和(自身を除く): 52886482

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 28279, 56558, 311069, 622138, 3704549, 7409098, 40750039, 81500078]

約数ペア:

[(1, 81500078), (2, 40750039), (11, 7409098), (22, 3704549), (131, 622138), (262, 311069), (1441, 56558), (2882, 28279)]