215816497

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 254298240

約数和(自身を除く): 38481743

約数列:

[1, 13, 19, 41, 101, 211, 247, 533, 779, 1313, 1919, 2743, 4009, 4141, 8651, 10127, 21311, 24947, 52117, 53833, 78679, 112463, 164369, 277043, 404909, 873751, 1022827, 2136797, 5263817, 11358763, 16601269, 215816497]

約数ペア:

[(1, 215816497), (13, 16601269), (19, 11358763), (41, 5263817), (101, 2136797), (211, 1022827), (247, 873751), (533, 404909), (779, 277043), (1313, 164369), (1919, 112463), (2743, 78679), (4009, 53833), (4141, 52117), (8651, 24947), (10127, 21311)]