219286795

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 329294592

約数和(自身を除く): 110007797

約数列:

[1, 5, 7, 13, 35, 65, 91, 131, 169, 283, 455, 655, 845, 917, 1183, 1415, 1703, 1981, 3679, 4585, 5915, 8515, 9905, 11921, 18395, 22139, 25753, 37073, 47827, 59605, 110695, 128765, 154973, 185365, 239135, 259511, 334789, 481949, 774865, 1297555, 1673945, 2409745, 3373643, 6265337, 16868215, 31326685, 43857359, 219286795]

約数ペア:

[(1, 219286795), (5, 43857359), (7, 31326685), (13, 16868215), (35, 6265337), (65, 3373643), (91, 2409745), (131, 1673945), (169, 1297555), (283, 774865), (455, 481949), (655, 334789), (845, 259511), (917, 239135), (1183, 185365), (1415, 154973), (1703, 128765), (1981, 110695), (3679, 59605), (4585, 47827), (5915, 37073), (8515, 25753), (9905, 22139), (11921, 18395)]