1245272008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{199819}}^1$

素因数の和:199885

約数の個数: 32

約数和(自身を含む): 2517732000

約数和(自身を除く): 1272459992

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 152, 164, 328, 779, 1558, 3116, 6232, 199819, 399638, 799276, 1598552, 3796561, 7593122, 8192579, 15186244, 16385158, 30372488, 32770316, 65540632, 155659001, 311318002, 622636004, 1245272008]

約数ペア:

[(1, 1245272008), (2, 622636004), (4, 311318002), (8, 155659001), (19, 65540632), (38, 32770316), (41, 30372488), (76, 16385158), (82, 15186244), (152, 8192579), (164, 7593122), (328, 3796561), (779, 1598552), (1558, 799276), (3116, 399638), (6232, 199819)]