128217206

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{937}}^1$

素因数の和:1248

約数の個数: 32

約数和(自身を含む): 219041760

約数和(自身を除く): 90824554

約数列:

[1, 2, 13, 19, 26, 38, 247, 277, 494, 554, 937, 1874, 3601, 5263, 7202, 10526, 12181, 17803, 24362, 35606, 68419, 136838, 231439, 259549, 462878, 519098, 3374137, 4931431, 6748274, 9862862, 64108603, 128217206]

約数ペア:

[(1, 128217206), (2, 64108603), (13, 9862862), (19, 6748274), (26, 4931431), (38, 3374137), (247, 519098), (277, 462878), (494, 259549), (554, 231439), (937, 136838), (1874, 68419), (3601, 35606), (5263, 24362), (7202, 17803), (10526, 12181)]