511156772

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{20443}}^1$

素因数の和:20520

約数の個数: 48

約数和(自身を含む): 1099069440

約数和(自身を除く): 587912668

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 47, 76, 94, 133, 188, 266, 329, 532, 658, 893, 1316, 1786, 3572, 6251, 12502, 20443, 25004, 40886, 81772, 143101, 286202, 388417, 572404, 776834, 960821, 1553668, 1921642, 2718919, 3843284, 5437838, 6725747, 10875676, 13451494, 18255599, 26902988, 36511198, 73022396, 127789193, 255578386, 511156772]

約数ペア:

[(1, 511156772), (2, 255578386), (4, 127789193), (7, 73022396), (14, 36511198), (19, 26902988), (28, 18255599), (38, 13451494), (47, 10875676), (76, 6725747), (94, 5437838), (133, 3843284), (188, 2718919), (266, 1921642), (329, 1553668), (532, 960821), (658, 776834), (893, 572404), (1316, 388417), (1786, 286202), (3572, 143101), (6251, 81772), (12502, 40886), (20443, 25004)]