3131086

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:256

約数の個数: 32

約数和(自身を含む): 5760000

約数和(自身を除く): 2628914

約数列:

[1, 2, 7, 14, 19, 38, 79, 133, 149, 158, 266, 298, 553, 1043, 1106, 1501, 2086, 2831, 3002, 5662, 10507, 11771, 19817, 21014, 23542, 39634, 82397, 164794, 223649, 447298, 1565543, 3131086]

約数ペア:

[(1, 3131086), (2, 1565543), (7, 447298), (14, 223649), (19, 164794), (38, 82397), (79, 39634), (133, 23542), (149, 21014), (158, 19817), (266, 11771), (298, 10507), (553, 5662), (1043, 3002), (1106, 2831), (1501, 2086)]