213289216

素因数分解:

$2^8\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2903}}^1$

素因数の和:2967

約数の個数: 72

約数和(自身を含む): 498605184

約数和(自身を除く): 285315968

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 112, 128, 164, 224, 256, 287, 328, 448, 574, 656, 896, 1148, 1312, 1792, 2296, 2624, 2903, 4592, 5248, 5806, 9184, 10496, 11612, 18368, 20321, 23224, 36736, 40642, 46448, 73472, 81284, 92896, 119023, 162568, 185792, 238046, 325136, 371584, 476092, 650272, 743168, 833161, 952184, 1300544, 1666322, 1904368, 2601088, 3332644, 3808736, 5202176, 6665288, 7617472, 13330576, 15234944, 26661152, 30469888, 53322304, 106644608, 213289216]

約数ペア:

[(1, 213289216), (2, 106644608), (4, 53322304), (7, 30469888), (8, 26661152), (14, 15234944), (16, 13330576), (28, 7617472), (32, 6665288), (41, 5202176), (56, 3808736), (64, 3332644), (82, 2601088), (112, 1904368), (128, 1666322), (164, 1300544), (224, 952184), (256, 833161), (287, 743168), (328, 650272), (448, 476092), (574, 371584), (656, 325136), (896, 238046), (1148, 185792), (1312, 162568), (1792, 119023), (2296, 92896), (2624, 81284), (2903, 73472), (4592, 46448), (5248, 40642), (5806, 36736), (9184, 23224), (10496, 20321), (11612, 18368)]