251018859

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{5641}}^1$

素因数の和:5827

約数の個数: 32

約数和(自身を含む): 414529024

約数和(自身を除く): 163510165

約数列:

[1, 3, 7, 13, 21, 39, 91, 163, 273, 489, 1141, 2119, 3423, 5641, 6357, 14833, 16923, 39487, 44499, 73333, 118461, 219999, 513331, 919483, 1539993, 2758449, 6436381, 11953279, 19309143, 35859837, 83672953, 251018859]

約数ペア:

[(1, 251018859), (3, 83672953), (7, 35859837), (13, 19309143), (21, 11953279), (39, 6436381), (91, 2758449), (163, 1539993), (273, 919483), (489, 513331), (1141, 219999), (2119, 118461), (3423, 73333), (5641, 44499), (6357, 39487), (14833, 16923)]