28158494

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:537

約数の個数: 64

約数和(自身を含む): 58060800

約数和(自身を除く): 29902306

約数列:

[1, 2, 7, 13, 14, 17, 19, 26, 34, 38, 91, 119, 133, 182, 221, 238, 247, 266, 323, 442, 479, 494, 646, 958, 1547, 1729, 2261, 3094, 3353, 3458, 4199, 4522, 6227, 6706, 8143, 8398, 9101, 12454, 16286, 18202, 29393, 43589, 57001, 58786, 63707, 87178, 105859, 114002, 118313, 127414, 154717, 211718, 236626, 309434, 741013, 828191, 1083019, 1482026, 1656382, 2011321, 2166038, 4022642, 14079247, 28158494]

約数ペア:

[(1, 28158494), (2, 14079247), (7, 4022642), (13, 2166038), (14, 2011321), (17, 1656382), (19, 1482026), (26, 1083019), (34, 828191), (38, 741013), (91, 309434), (119, 236626), (133, 211718), (182, 154717), (221, 127414), (238, 118313), (247, 114002), (266, 105859), (323, 87178), (442, 63707), (479, 58786), (494, 57001), (646, 43589), (958, 29393), (1547, 18202), (1729, 16286), (2261, 12454), (3094, 9101), (3353, 8398), (3458, 8143), (4199, 6706), (4522, 6227)]