279665638

素因数分解:

$2^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:497

約数の個数: 48

約数和(自身を含む): 500097024

約数和(自身を除く): 220431386

約数列:

[1, 2, 7, 14, 49, 67, 98, 134, 191, 223, 382, 446, 469, 938, 1337, 1561, 2674, 3122, 3283, 6566, 9359, 10927, 12797, 14941, 18718, 21854, 25594, 29882, 42593, 85186, 89579, 104587, 179158, 209174, 298151, 596302, 627053, 732109, 1254106, 1464218, 2087057, 2853731, 4174114, 5707462, 19976117, 39952234, 139832819, 279665638]

約数ペア:

[(1, 279665638), (2, 139832819), (7, 39952234), (14, 19976117), (49, 5707462), (67, 4174114), (98, 2853731), (134, 2087057), (191, 1464218), (223, 1254106), (382, 732109), (446, 627053), (469, 596302), (938, 298151), (1337, 209174), (1561, 179158), (2674, 104587), (3122, 89579), (3283, 85186), (6566, 42593), (9359, 29882), (10927, 25594), (12797, 21854), (14941, 18718)]