68919955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 95425344

約数和(自身を除く): 26505389

約数列:

[1, 5, 13, 17, 65, 85, 97, 221, 485, 643, 1105, 1261, 1649, 3215, 6305, 8245, 8359, 10931, 21437, 41795, 54655, 62371, 107185, 142103, 311855, 710515, 810823, 1060307, 4054115, 5301535, 13783991, 68919955]

約数ペア:

[(1, 68919955), (5, 13783991), (13, 5301535), (17, 4054115), (65, 1060307), (85, 810823), (97, 710515), (221, 311855), (485, 142103), (643, 107185), (1105, 62371), (1261, 54655), (1649, 41795), (3215, 21437), (6305, 10931), (8245, 8359)]