1321910156

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{503}}^1\times {\mathrm{1997}}^1$

素因数の和:2558

約数の個数: 48

約数和(自身を含む): 2706794496

約数和(自身を除く): 1384884340

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 503, 658, 1006, 1316, 1997, 2012, 3521, 3994, 7042, 7988, 13979, 14084, 23641, 27958, 47282, 55916, 93859, 94564, 165487, 187718, 330974, 375436, 657013, 661948, 1004491, 1314026, 2008982, 2628052, 4017964, 7031437, 14062874, 28125748, 47211077, 94422154, 188844308, 330477539, 660955078, 1321910156]

約数ペア:

[(1, 1321910156), (2, 660955078), (4, 330477539), (7, 188844308), (14, 94422154), (28, 47211077), (47, 28125748), (94, 14062874), (188, 7031437), (329, 4017964), (503, 2628052), (658, 2008982), (1006, 1314026), (1316, 1004491), (1997, 661948), (2012, 657013), (3521, 375436), (3994, 330974), (7042, 187718), (7988, 165487), (13979, 94564), (14084, 93859), (23641, 55916), (27958, 47282)]