31420256

素因数分解:

$2^5\times 7^1\times {\mathrm{140269}}^1$

素因数の和:140286

約数の個数: 24

約数和(自身を含む): 70696080

約数和(自身を除く): 39275824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 140269, 280538, 561076, 981883, 1122152, 1963766, 2244304, 3927532, 4488608, 7855064, 15710128, 31420256]

約数ペア:

[(1, 31420256), (2, 15710128), (4, 7855064), (7, 4488608), (8, 3927532), (14, 2244304), (16, 1963766), (28, 1122152), (32, 981883), (56, 561076), (112, 280538), (224, 140269)]