78887556

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{199211}}^1$

素因数の和:199232

約数の個数: 36

約数和(自身を含む): 217539504

約数和(自身を除く): 138651948

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 199211, 398422, 597633, 796844, 1195266, 1792899, 2191321, 2390532, 3585798, 4382642, 6573963, 7171596, 8765284, 13147926, 19721889, 26295852, 39443778, 78887556]

約数ペア:

[(1, 78887556), (2, 39443778), (3, 26295852), (4, 19721889), (6, 13147926), (9, 8765284), (11, 7171596), (12, 6573963), (18, 4382642), (22, 3585798), (33, 2390532), (36, 2191321), (44, 1792899), (66, 1195266), (99, 796844), (132, 597633), (198, 398422), (396, 199211)]