28871716

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 56448000

約数和(自身を除く): 27576284

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 83, 92, 166, 199, 332, 398, 437, 796, 874, 1577, 1748, 1909, 3154, 3781, 3818, 4577, 6308, 7562, 7636, 9154, 15124, 16517, 18308, 33034, 36271, 66068, 72542, 86963, 145084, 173926, 313823, 347852, 379891, 627646, 759782, 1255292, 1519564, 7217929, 14435858, 28871716]

約数ペア:

[(1, 28871716), (2, 14435858), (4, 7217929), (19, 1519564), (23, 1255292), (38, 759782), (46, 627646), (76, 379891), (83, 347852), (92, 313823), (166, 173926), (199, 145084), (332, 86963), (398, 72542), (437, 66068), (796, 36271), (874, 33034), (1577, 18308), (1748, 16517), (1909, 15124), (3154, 9154), (3781, 7636), (3818, 7562), (4577, 6308)]