221699576

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{172127}}^1$

素因数の和:172163

約数の個数: 32

約数和(自身を含む): 495728640

約数和(自身を除く): 274029064

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 172127, 344254, 688508, 1204889, 1377016, 2409778, 3958921, 4819556, 7917842, 9639112, 15835684, 27712447, 31671368, 55424894, 110849788, 221699576]

約数ペア:

[(1, 221699576), (2, 110849788), (4, 55424894), (7, 31671368), (8, 27712447), (14, 15835684), (23, 9639112), (28, 7917842), (46, 4819556), (56, 3958921), (92, 2409778), (161, 1377016), (184, 1204889), (322, 688508), (644, 344254), (1288, 172127)]