2220921400313

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^2\times {\mathrm{19009}}^1$

素因数の和:19219

約数の個数: 72

約数和(自身を含む): 2925274920480

約数和(自身を除く): 704353520167

約数列:

[1, 7, 11, 43, 49, 71, 77, 301, 473, 497, 539, 781, 2107, 3053, 3311, 3479, 5041, 5467, 19009, 21371, 23177, 33583, 35287, 38269, 55451, 133063, 149597, 209099, 216763, 235081, 247009, 388157, 817387, 931441, 1349639, 1463693, 1517341, 1645567, 2384393, 2717099, 5721709, 8991257, 9447473, 10245851, 10621387, 14846029, 16690751, 40051963, 58034477, 62938799, 66132311, 95824369, 103922203, 116835257, 406241339, 440571593, 638379247, 670770583, 727455421, 1054068059, 2843689373, 4120447867, 4468654729, 4695394081, 7378476413, 28843135069, 31280583103, 45324926537, 51649334891, 201901945483, 317274485759, 2220921400313]

約数ペア:

[(1, 2220921400313), (7, 317274485759), (11, 201901945483), (43, 51649334891), (49, 45324926537), (71, 31280583103), (77, 28843135069), (301, 7378476413), (473, 4695394081), (497, 4468654729), (539, 4120447867), (781, 2843689373), (2107, 1054068059), (3053, 727455421), (3311, 670770583), (3479, 638379247), (5041, 440571593), (5467, 406241339), (19009, 116835257), (21371, 103922203), (23177, 95824369), (33583, 66132311), (35287, 62938799), (38269, 58034477), (55451, 40051963), (133063, 16690751), (149597, 14846029), (209099, 10621387), (216763, 10245851), (235081, 9447473), (247009, 8991257), (388157, 5721709), (817387, 2717099), (931441, 2384393), (1349639, 1645567), (1463693, 1517341)]