81966164

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 167801088

約数和(自身を除く): 85834924

約数列:

[1, 2, 4, 7, 14, 28, 97, 103, 194, 206, 293, 388, 412, 586, 679, 721, 1172, 1358, 1442, 2051, 2716, 2884, 4102, 8204, 9991, 19982, 28421, 30179, 39964, 56842, 60358, 69937, 113684, 120716, 139874, 198947, 211253, 279748, 397894, 422506, 795788, 845012, 2927363, 5854726, 11709452, 20491541, 40983082, 81966164]

約数ペア:

[(1, 81966164), (2, 40983082), (4, 20491541), (7, 11709452), (14, 5854726), (28, 2927363), (97, 845012), (103, 795788), (194, 422506), (206, 397894), (293, 279748), (388, 211253), (412, 198947), (586, 139874), (679, 120716), (721, 113684), (1172, 69937), (1358, 60358), (1442, 56842), (2051, 39964), (2716, 30179), (2884, 28421), (4102, 19982), (8204, 9991)]