668819788

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{17839}}^1$

素因数の和:17966

約数の個数: 48

約数和(自身を含む): 1454602240

約数和(自身を除く): 785782452

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 103, 182, 206, 364, 412, 721, 1339, 1442, 2678, 2884, 5356, 9373, 17839, 18746, 35678, 37492, 71356, 124873, 231907, 249746, 463814, 499492, 927628, 1623349, 1837417, 3246698, 3674834, 6493396, 7349668, 12861919, 23886421, 25723838, 47772842, 51447676, 95545684, 167204947, 334409894, 668819788]

約数ペア:

[(1, 668819788), (2, 334409894), (4, 167204947), (7, 95545684), (13, 51447676), (14, 47772842), (26, 25723838), (28, 23886421), (52, 12861919), (91, 7349668), (103, 6493396), (182, 3674834), (206, 3246698), (364, 1837417), (412, 1623349), (721, 927628), (1339, 499492), (1442, 463814), (2678, 249746), (2884, 231907), (5356, 124873), (9373, 71356), (17839, 37492), (18746, 35678)]