245865185

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1113

約数の個数: 32

約数和(自身を含む): 320381952

約数和(自身を除く): 74516767

約数列:

[1, 5, 31, 37, 43, 155, 185, 215, 997, 1147, 1333, 1591, 4985, 5735, 6665, 7955, 30907, 36889, 42871, 49321, 154535, 184445, 214355, 246605, 1143559, 1329001, 1586227, 5717795, 6645005, 7931135, 49173037, 245865185]

約数ペア:

[(1, 245865185), (5, 49173037), (31, 7931135), (37, 6645005), (43, 5717795), (155, 1586227), (185, 1329001), (215, 1143559), (997, 246605), (1147, 214355), (1333, 184445), (1591, 154535), (4985, 49321), (5735, 42871), (6665, 36889), (7955, 30907)]