397125456

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{90917}}^1$

素因数の和:90948

約数の個数: 80

約数和(自身を含む): 1262669184

約数和(自身を除く): 865543728

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 182, 208, 273, 312, 336, 364, 546, 624, 728, 1092, 1456, 2184, 4368, 90917, 181834, 272751, 363668, 545502, 636419, 727336, 1091004, 1181921, 1272838, 1454672, 1909257, 2182008, 2363842, 2545676, 3545763, 3818514, 4364016, 4727684, 5091352, 7091526, 7637028, 8273447, 9455368, 10182704, 14183052, 15274056, 16546894, 18910736, 24820341, 28366104, 30548112, 33093788, 49640682, 56732208, 66187576, 99281364, 132375152, 198562728, 397125456]

約数ペア:

[(1, 397125456), (2, 198562728), (3, 132375152), (4, 99281364), (6, 66187576), (7, 56732208), (8, 49640682), (12, 33093788), (13, 30548112), (14, 28366104), (16, 24820341), (21, 18910736), (24, 16546894), (26, 15274056), (28, 14183052), (39, 10182704), (42, 9455368), (48, 8273447), (52, 7637028), (56, 7091526), (78, 5091352), (84, 4727684), (91, 4364016), (104, 3818514), (112, 3545763), (156, 2545676), (168, 2363842), (182, 2182008), (208, 1909257), (273, 1454672), (312, 1272838), (336, 1181921), (364, 1091004), (546, 727336), (624, 636419), (728, 545502), (1092, 363668), (1456, 272751), (2184, 181834), (4368, 90917)]