308527681

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 432967680

約数和(自身を除く): 124439999

約数列:

[1, 7, 11, 19, 23, 53, 77, 133, 161, 173, 209, 253, 371, 437, 583, 1007, 1211, 1219, 1463, 1771, 1903, 3059, 3287, 3979, 4081, 4807, 7049, 8533, 9169, 11077, 13321, 13409, 23009, 23161, 27853, 33649, 36157, 43769, 64183, 75601, 77539, 93863, 100859, 162127, 174211, 210887, 253099, 254771, 306383, 529207, 706013, 831611, 1219477, 1476209, 1783397, 1916321, 2319757, 4006853, 5821277, 13414247, 16238299, 28047971, 44075383, 308527681]

約数ペア:

[(1, 308527681), (7, 44075383), (11, 28047971), (19, 16238299), (23, 13414247), (53, 5821277), (77, 4006853), (133, 2319757), (161, 1916321), (173, 1783397), (209, 1476209), (253, 1219477), (371, 831611), (437, 706013), (583, 529207), (1007, 306383), (1211, 254771), (1219, 253099), (1463, 210887), (1771, 174211), (1903, 162127), (3059, 100859), (3287, 93863), (3979, 77539), (4081, 75601), (4807, 64183), (7049, 43769), (8533, 36157), (9169, 33649), (11077, 27853), (13321, 23161), (13409, 23009)]