123212243

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 168537600

約数和(自身を除く): 45325357

約数列:

[1, 7, 11, 17, 43, 77, 119, 121, 187, 199, 301, 473, 731, 847, 1309, 1393, 2057, 2189, 3311, 3383, 5117, 5203, 8041, 8557, 14399, 15323, 23681, 24079, 36421, 37213, 56287, 59899, 88451, 94127, 145469, 168553, 260491, 409343, 619157, 658889, 1018283, 1035397, 1600159, 2865401, 7247779, 11201113, 17601749, 123212243]

約数ペア:

[(1, 123212243), (7, 17601749), (11, 11201113), (17, 7247779), (43, 2865401), (77, 1600159), (119, 1035397), (121, 1018283), (187, 658889), (199, 619157), (301, 409343), (473, 260491), (731, 168553), (847, 145469), (1309, 94127), (1393, 88451), (2057, 59899), (2189, 56287), (3311, 37213), (3383, 36421), (5117, 24079), (5203, 23681), (8041, 15323), (8557, 14399)]