66616985

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{3943}}^1$

素因数の和:4088

約数の個数: 16

約数和(自身を含む): 83297280

約数和(自身を除く): 16680295

約数列:

[1, 5, 31, 109, 155, 545, 3379, 3943, 16895, 19715, 122233, 429787, 611165, 2148935, 13323397, 66616985]

約数ペア:

[(1, 66616985), (5, 13323397), (31, 2148935), (109, 611165), (155, 429787), (545, 122233), (3379, 19715), (3943, 16895)]