638291234

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{443}}^1\times {\mathrm{1061}}^1$

素因数の和:1610

約数の個数: 32

約数和(自身を含む): 1109033856

約数和(自身を除く): 470742622

約数列:

[1, 2, 7, 14, 97, 194, 443, 679, 886, 1061, 1358, 2122, 3101, 6202, 7427, 14854, 42971, 85942, 102917, 205834, 300797, 470023, 601594, 720419, 940046, 1440838, 3290161, 6580322, 45592231, 91184462, 319145617, 638291234]

約数ペア:

[(1, 638291234), (2, 319145617), (7, 91184462), (14, 45592231), (97, 6580322), (194, 3290161), (443, 1440838), (679, 940046), (886, 720419), (1061, 601594), (1358, 470023), (2122, 300797), (3101, 205834), (6202, 102917), (7427, 85942), (14854, 42971)]