78840780146

素因数分解:

$2^1\times {\mathrm{1951}}^1\times {\mathrm{20205223}}^1$

素因数の和:20207176

約数の個数: 8

約数和(自身を含む): 118321791744

約数和(自身を除く): 39481011598

約数列:

[1, 2, 1951, 3902, 20205223, 40410446, 39420390073, 78840780146]

約数ペア:

[(1, 78840780146), (2, 39420390073), (1951, 40410446), (3902, 20205223)]