991361276

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{1249}}^1$

素因数の和:1494

約数の個数: 48

約数和(自身を含む): 1851360000

約数和(自身を除く): 859998724

約数列:

[1, 2, 4, 31, 37, 62, 74, 124, 148, 173, 346, 692, 1147, 1249, 2294, 2498, 4588, 4996, 5363, 6401, 10726, 12802, 21452, 25604, 38719, 46213, 77438, 92426, 154876, 184852, 198431, 216077, 396862, 432154, 793724, 864308, 1432603, 2865206, 5730412, 6698387, 7994849, 13396774, 15989698, 26793548, 31979396, 247840319, 495680638, 991361276]

約数ペア:

[(1, 991361276), (2, 495680638), (4, 247840319), (31, 31979396), (37, 26793548), (62, 15989698), (74, 13396774), (124, 7994849), (148, 6698387), (173, 5730412), (346, 2865206), (692, 1432603), (1147, 864308), (1249, 793724), (2294, 432154), (2498, 396862), (4588, 216077), (4996, 198431), (5363, 184852), (6401, 154876), (10726, 92426), (12802, 77438), (21452, 46213), (25604, 38719)]