644796912

素因数分解:

$2^4\times 3^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1\times {\mathrm{491}}^1$

素因数の和:862

約数の個数: 80

約数和(自身を含む): 1691141760

約数和(自身を除く): 1046344848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 109, 218, 251, 327, 436, 491, 502, 654, 753, 872, 982, 1004, 1308, 1473, 1506, 1744, 1964, 2008, 2616, 2946, 3012, 3928, 4016, 5232, 5892, 6024, 7856, 11784, 12048, 23568, 27359, 53519, 54718, 82077, 107038, 109436, 123241, 160557, 164154, 214076, 218872, 246482, 321114, 328308, 369723, 428152, 437744, 492964, 642228, 656616, 739446, 856304, 985928, 1284456, 1313232, 1478892, 1971856, 2568912, 2957784, 5915568, 13433269, 26866538, 40299807, 53733076, 80599614, 107466152, 161199228, 214932304, 322398456, 644796912]

約数ペア:

[(1, 644796912), (2, 322398456), (3, 214932304), (4, 161199228), (6, 107466152), (8, 80599614), (12, 53733076), (16, 40299807), (24, 26866538), (48, 13433269), (109, 5915568), (218, 2957784), (251, 2568912), (327, 1971856), (436, 1478892), (491, 1313232), (502, 1284456), (654, 985928), (753, 856304), (872, 739446), (982, 656616), (1004, 642228), (1308, 492964), (1473, 437744), (1506, 428152), (1744, 369723), (1964, 328308), (2008, 321114), (2616, 246482), (2946, 218872), (3012, 214076), (3928, 164154), (4016, 160557), (5232, 123241), (5892, 109436), (6024, 107038), (7856, 82077), (11784, 54718), (12048, 53519), (23568, 27359)]