257526444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{11657}}^1$

素因数の和:11934

約数の個数: 48

約数和(自身を含む): 689407488

約数和(自身を除く): 431881044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 263, 526, 789, 1052, 1578, 1841, 3156, 3682, 5523, 7364, 11046, 11657, 22092, 23314, 34971, 46628, 69942, 81599, 139884, 163198, 244797, 326396, 489594, 979188, 3065791, 6131582, 9197373, 12263164, 18394746, 21460537, 36789492, 42921074, 64381611, 85842148, 128763222, 257526444]

約数ペア:

[(1, 257526444), (2, 128763222), (3, 85842148), (4, 64381611), (6, 42921074), (7, 36789492), (12, 21460537), (14, 18394746), (21, 12263164), (28, 9197373), (42, 6131582), (84, 3065791), (263, 979188), (526, 489594), (789, 326396), (1052, 244797), (1578, 163198), (1841, 139884), (3156, 81599), (3682, 69942), (5523, 46628), (7364, 34971), (11046, 23314), (11657, 22092)]