490699573

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:319

約数の個数: 40

約数和(自身を含む): 627424000

約数和(自身を除く): 136724427

約数列:

[1, 7, 13, 49, 79, 91, 199, 343, 553, 637, 1027, 1393, 2401, 2587, 3871, 4459, 7189, 9751, 15721, 18109, 27097, 31213, 50323, 68257, 110047, 126763, 189679, 204373, 352261, 477799, 770329, 887341, 1430611, 2465827, 5392303, 6211387, 10014277, 37746121, 70099939, 490699573]

約数ペア:

[(1, 490699573), (7, 70099939), (13, 37746121), (49, 10014277), (79, 6211387), (91, 5392303), (199, 2465827), (343, 1430611), (553, 887341), (637, 770329), (1027, 477799), (1393, 352261), (2401, 204373), (2587, 189679), (3871, 126763), (4459, 110047), (7189, 68257), (9751, 50323), (15721, 31213), (18109, 27097)]