1285013968

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{1009}}^1$

素因数の和:1244

約数の個数: 80

約数和(自身を含む): 2903564160

約数和(自身を除く): 1618550192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 112, 137, 166, 274, 332, 548, 581, 664, 959, 1009, 1096, 1162, 1328, 1918, 2018, 2192, 2324, 3836, 4036, 4648, 7063, 7672, 8072, 9296, 11371, 14126, 15344, 16144, 22742, 28252, 45484, 56504, 79597, 83747, 90968, 113008, 138233, 159194, 167494, 181936, 276466, 318388, 334988, 552932, 586229, 636776, 669976, 967631, 1105864, 1172458, 1273552, 1339952, 1935262, 2211728, 2344916, 3870524, 4689832, 7741048, 9379664, 11473339, 15482096, 22946678, 45893356, 80313373, 91786712, 160626746, 183573424, 321253492, 642506984, 1285013968]

約数ペア:

[(1, 1285013968), (2, 642506984), (4, 321253492), (7, 183573424), (8, 160626746), (14, 91786712), (16, 80313373), (28, 45893356), (56, 22946678), (83, 15482096), (112, 11473339), (137, 9379664), (166, 7741048), (274, 4689832), (332, 3870524), (548, 2344916), (581, 2211728), (664, 1935262), (959, 1339952), (1009, 1273552), (1096, 1172458), (1162, 1105864), (1328, 967631), (1918, 669976), (2018, 636776), (2192, 586229), (2324, 552932), (3836, 334988), (4036, 318388), (4648, 276466), (7063, 181936), (7672, 167494), (8072, 159194), (9296, 138233), (11371, 113008), (14126, 90968), (15344, 83747), (16144, 79597), (22742, 56504), (28252, 45484)]