663621948

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{23603}}^1$

素因数の和:23695

約数の個数: 72

約数和(自身を含む): 1855840896

約数和(自身を除く): 1192218948

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 71, 99, 132, 142, 198, 213, 284, 396, 426, 639, 781, 852, 1278, 1562, 2343, 2556, 3124, 4686, 7029, 9372, 14058, 23603, 28116, 47206, 70809, 94412, 141618, 212427, 259633, 283236, 424854, 519266, 778899, 849708, 1038532, 1557798, 1675813, 2336697, 3115596, 3351626, 4673394, 5027439, 6703252, 9346788, 10054878, 15082317, 18433943, 20109756, 30164634, 36867886, 55301829, 60329268, 73735772, 110603658, 165905487, 221207316, 331810974, 663621948]

約数ペア:

[(1, 663621948), (2, 331810974), (3, 221207316), (4, 165905487), (6, 110603658), (9, 73735772), (11, 60329268), (12, 55301829), (18, 36867886), (22, 30164634), (33, 20109756), (36, 18433943), (44, 15082317), (66, 10054878), (71, 9346788), (99, 6703252), (132, 5027439), (142, 4673394), (198, 3351626), (213, 3115596), (284, 2336697), (396, 1675813), (426, 1557798), (639, 1038532), (781, 849708), (852, 778899), (1278, 519266), (1562, 424854), (2343, 283236), (2556, 259633), (3124, 212427), (4686, 141618), (7029, 94412), (9372, 70809), (14058, 47206), (23603, 28116)]