215528456

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{643}}^1$

素因数の和:966

約数の個数: 64

約数和(自身を含む): 477126720

約数和(自身を除く): 261598264

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 293, 572, 586, 643, 1144, 1172, 1286, 2344, 2572, 3223, 3809, 5144, 6446, 7073, 7618, 8359, 12892, 14146, 15236, 16718, 25784, 28292, 30472, 33436, 41899, 56584, 66872, 83798, 91949, 167596, 183898, 188399, 335192, 367796, 376798, 735592, 753596, 1507192, 2072389, 2449187, 4144778, 4898374, 8289556, 9796748, 16579112, 19593496, 26941057, 53882114, 107764228, 215528456]

約数ペア:

[(1, 215528456), (2, 107764228), (4, 53882114), (8, 26941057), (11, 19593496), (13, 16579112), (22, 9796748), (26, 8289556), (44, 4898374), (52, 4144778), (88, 2449187), (104, 2072389), (143, 1507192), (286, 753596), (293, 735592), (572, 376798), (586, 367796), (643, 335192), (1144, 188399), (1172, 183898), (1286, 167596), (2344, 91949), (2572, 83798), (3223, 66872), (3809, 56584), (5144, 41899), (6446, 33436), (7073, 30472), (7618, 28292), (8359, 25784), (12892, 16718), (14146, 15236)]