2687706

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 6761664

約数和(自身を除く): 4073958

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 83, 126, 166, 249, 257, 498, 514, 581, 747, 771, 1162, 1494, 1542, 1743, 1799, 2313, 3486, 3598, 4626, 5229, 5397, 10458, 10794, 16191, 21331, 32382, 42662, 63993, 127986, 149317, 191979, 298634, 383958, 447951, 895902, 1343853, 2687706]

約数ペア:

[(1, 2687706), (2, 1343853), (3, 895902), (6, 447951), (7, 383958), (9, 298634), (14, 191979), (18, 149317), (21, 127986), (42, 63993), (63, 42662), (83, 32382), (126, 21331), (166, 16191), (249, 10794), (257, 10458), (498, 5397), (514, 5229), (581, 4626), (747, 3598), (771, 3486), (1162, 2313), (1494, 1799), (1542, 1743)]