25172476

素因数分解:

$2^2\times 7^2\times {\mathrm{128431}}^1$

素因数の和:128449

約数の個数: 18

約数和(自身を含む): 51244368

約数和(自身を除く): 26071892

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 128431, 256862, 513724, 899017, 1798034, 3596068, 6293119, 12586238, 25172476]

約数ペア:

[(1, 25172476), (2, 12586238), (4, 6293119), (7, 3596068), (14, 1798034), (28, 899017), (49, 513724), (98, 256862), (196, 128431)]