390930628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{56591}}^1$

素因数の和:56763

約数の個数: 24

約数和(自身を含む): 751089024

約数和(自身を除く): 360158396

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 628, 1727, 3454, 6908, 56591, 113182, 226364, 622501, 1245002, 2490004, 8884787, 17769574, 35539148, 97732657, 195465314, 390930628]

約数ペア:

[(1, 390930628), (2, 195465314), (4, 97732657), (11, 35539148), (22, 17769574), (44, 8884787), (157, 2490004), (314, 1245002), (628, 622501), (1727, 226364), (3454, 113182), (6908, 56591)]