1640783989

素因数分解:

${\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{743}}^1$

素因数の和:1021

約数の個数: 24

約数和(自身を含む): 1813544640

約数和(自身を除く): 172760651

約数列:

[1, 13, 73, 169, 179, 743, 949, 2327, 9659, 12337, 13067, 30251, 54239, 125567, 132997, 169871, 705107, 1728961, 2208323, 9166391, 9708781, 22476493, 126214153, 1640783989]

約数ペア:

[(1, 1640783989), (13, 126214153), (73, 22476493), (169, 9708781), (179, 9166391), (743, 2208323), (949, 1728961), (2327, 705107), (9659, 169871), (12337, 132997), (13067, 125567), (30251, 54239)]