217509712

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{84437}}^1$

素因数の和:84475

約数の個数: 40

約数和(自身を含む): 502574976

約数和(自身を除く): 285065264

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 84437, 168874, 337748, 591059, 675496, 1182118, 1350992, 1942051, 2364236, 3884102, 4728472, 7768204, 9456944, 13594357, 15536408, 27188714, 31072816, 54377428, 108754856, 217509712]

約数ペア:

[(1, 217509712), (2, 108754856), (4, 54377428), (7, 31072816), (8, 27188714), (14, 15536408), (16, 13594357), (23, 9456944), (28, 7768204), (46, 4728472), (56, 3884102), (92, 2364236), (112, 1942051), (161, 1350992), (184, 1182118), (322, 675496), (368, 591059), (644, 337748), (1288, 168874), (2576, 84437)]