256573578241

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1\times {\mathrm{317}}^1$

素因数の和:814

約数の個数: 64

約数和(自身を含む): 291720683520

約数和(自身を除く): 35147105279

約数列:

[1, 19, 23, 47, 157, 251, 317, 437, 893, 1081, 2983, 3611, 4769, 5773, 6023, 7291, 7379, 11797, 14899, 20539, 39407, 49769, 68609, 79567, 109687, 138529, 140201, 169717, 224143, 271331, 283081, 342677, 748733, 906361, 945611, 1144687, 1511773, 1830041, 1852129, 2339143, 3224623, 3739649, 5155289, 6510863, 12492019, 17220859, 21749053, 34770779, 35190451, 42598967, 44443717, 53800289, 71053331, 86011927, 237348361, 287316437, 587124893, 809380373, 1022205491, 1634226613, 5459012303, 11155372967, 13503872539, 256573578241]

約数ペア:

[(1, 256573578241), (19, 13503872539), (23, 11155372967), (47, 5459012303), (157, 1634226613), (251, 1022205491), (317, 809380373), (437, 587124893), (893, 287316437), (1081, 237348361), (2983, 86011927), (3611, 71053331), (4769, 53800289), (5773, 44443717), (6023, 42598967), (7291, 35190451), (7379, 34770779), (11797, 21749053), (14899, 17220859), (20539, 12492019), (39407, 6510863), (49769, 5155289), (68609, 3739649), (79567, 3224623), (109687, 2339143), (138529, 1852129), (140201, 1830041), (169717, 1511773), (224143, 1144687), (271331, 945611), (283081, 906361), (342677, 748733)]