197240456

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{153137}}^1$

素因数の和:153173

約数の個数: 32

約数和(自身を含む): 441037440

約数和(自身を除く): 243796984

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 153137, 306274, 612548, 1071959, 1225096, 2143918, 3522151, 4287836, 7044302, 8575672, 14088604, 24655057, 28177208, 49310114, 98620228, 197240456]

約数ペア:

[(1, 197240456), (2, 98620228), (4, 49310114), (7, 28177208), (8, 24655057), (14, 14088604), (23, 8575672), (28, 7044302), (46, 4287836), (56, 3522151), (92, 2143918), (161, 1225096), (184, 1071959), (322, 612548), (644, 306274), (1288, 153137)]