664753712

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1\times {\mathrm{431}}^1$

素因数の和:786

約数の個数: 80

約数和(自身を含む): 1511903232

約数和(自身を除く): 847149520

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 293, 329, 376, 431, 586, 658, 752, 862, 1172, 1316, 1724, 2051, 2344, 2632, 3017, 3448, 4102, 4688, 5264, 6034, 6896, 8204, 12068, 13771, 16408, 20257, 24136, 27542, 32816, 40514, 48272, 55084, 81028, 96397, 110168, 126283, 141799, 162056, 192794, 220336, 252566, 283598, 324112, 385588, 505132, 567196, 771176, 883981, 1010264, 1134392, 1542352, 1767962, 2020528, 2268784, 3535924, 5935301, 7071848, 11870602, 14143696, 23741204, 41547107, 47482408, 83094214, 94964816, 166188428, 332376856, 664753712]

約数ペア:

[(1, 664753712), (2, 332376856), (4, 166188428), (7, 94964816), (8, 83094214), (14, 47482408), (16, 41547107), (28, 23741204), (47, 14143696), (56, 11870602), (94, 7071848), (112, 5935301), (188, 3535924), (293, 2268784), (329, 2020528), (376, 1767962), (431, 1542352), (586, 1134392), (658, 1010264), (752, 883981), (862, 771176), (1172, 567196), (1316, 505132), (1724, 385588), (2051, 324112), (2344, 283598), (2632, 252566), (3017, 220336), (3448, 192794), (4102, 162056), (4688, 141799), (5264, 126283), (6034, 110168), (6896, 96397), (8204, 81028), (12068, 55084), (13771, 48272), (16408, 40514), (20257, 32816), (24136, 27542)]