668654128

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:482

約数の個数: 80

約数和(自身を含む): 1385911296

約数和(自身を除く): 717257168

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 107, 124, 172, 214, 248, 293, 344, 428, 496, 586, 688, 856, 1172, 1333, 1712, 2344, 2666, 3317, 4601, 4688, 5332, 6634, 9083, 9202, 10664, 12599, 13268, 18166, 18404, 21328, 25198, 26536, 31351, 36332, 36808, 50396, 53072, 62702, 72664, 73616, 100792, 125404, 142631, 145328, 201584, 250808, 285262, 390569, 501616, 570524, 781138, 971881, 1141048, 1348093, 1562276, 1943762, 2282096, 2696186, 3124552, 3887524, 5392372, 6249104, 7775048, 10784744, 15550096, 21569488, 41790883, 83581766, 167163532, 334327064, 668654128]

約数ペア:

[(1, 668654128), (2, 334327064), (4, 167163532), (8, 83581766), (16, 41790883), (31, 21569488), (43, 15550096), (62, 10784744), (86, 7775048), (107, 6249104), (124, 5392372), (172, 3887524), (214, 3124552), (248, 2696186), (293, 2282096), (344, 1943762), (428, 1562276), (496, 1348093), (586, 1141048), (688, 971881), (856, 781138), (1172, 570524), (1333, 501616), (1712, 390569), (2344, 285262), (2666, 250808), (3317, 201584), (4601, 145328), (4688, 142631), (5332, 125404), (6634, 100792), (9083, 73616), (9202, 72664), (10664, 62702), (12599, 53072), (13268, 50396), (18166, 36808), (18404, 36332), (21328, 31351), (25198, 26536)]