131266688

素因数分解:

$2^7\times 7^2\times {\mathrm{20929}}^1$

素因数の和:20957

約数の個数: 48

約数和(自身を含む): 304217550

約数和(自身を除く): 172950862

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 6272, 20929, 41858, 83716, 146503, 167432, 293006, 334864, 586012, 669728, 1025521, 1172024, 1339456, 2051042, 2344048, 2678912, 4102084, 4688096, 8204168, 9376192, 16408336, 18752384, 32816672, 65633344, 131266688]

約数ペア:

[(1, 131266688), (2, 65633344), (4, 32816672), (7, 18752384), (8, 16408336), (14, 9376192), (16, 8204168), (28, 4688096), (32, 4102084), (49, 2678912), (56, 2344048), (64, 2051042), (98, 1339456), (112, 1172024), (128, 1025521), (196, 669728), (224, 586012), (392, 334864), (448, 293006), (784, 167432), (896, 146503), (1568, 83716), (3136, 41858), (6272, 20929)]