81904748

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{12539}}^1$

素因数の和:12637

約数の個数: 24

約数和(自身を含む): 151683840

約数和(自身を除く): 69779092

約数列:

[1, 2, 4, 23, 46, 71, 92, 142, 284, 1633, 3266, 6532, 12539, 25078, 50156, 288397, 576794, 890269, 1153588, 1780538, 3561076, 20476187, 40952374, 81904748]

約数ペア:

[(1, 81904748), (2, 40952374), (4, 20476187), (23, 3561076), (46, 1780538), (71, 1153588), (92, 890269), (142, 576794), (284, 288397), (1633, 50156), (3266, 25078), (6532, 12539)]