81190394

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{2843}}^1$

素因数の和:3085

約数の個数: 16

約数和(自身を含む): 123884640

約数和(自身を除く): 42694246

約数列:

[1, 2, 109, 131, 218, 262, 2843, 5686, 14279, 28558, 309887, 372433, 619774, 744866, 40595197, 81190394]

約数ペア:

[(1, 81190394), (2, 40595197), (109, 744866), (131, 619774), (218, 372433), (262, 309887), (2843, 28558), (5686, 14279)]