51201325

素因数分解:

$5^2\times 7^4\times {\mathrm{853}}^1$

素因数の和:891

約数の個数: 30

約数和(自身を含む): 74153674

約数和(自身を除く): 22952349

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 343, 853, 1225, 1715, 2401, 4265, 5971, 8575, 12005, 21325, 29855, 41797, 60025, 149275, 208985, 292579, 1044925, 1462895, 2048053, 7314475, 10240265, 51201325]

約数ペア:

[(1, 51201325), (5, 10240265), (7, 7314475), (25, 2048053), (35, 1462895), (49, 1044925), (175, 292579), (245, 208985), (343, 149275), (853, 60025), (1225, 41797), (1715, 29855), (2401, 21325), (4265, 12005), (5971, 8575)]