25118396

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{1087}}^1$

素因数の和:1253

約数の個数: 24

約数和(自身を含む): 45239040

約数和(自身を除く): 20120644

約数列:

[1, 2, 4, 53, 106, 109, 212, 218, 436, 1087, 2174, 4348, 5777, 11554, 23108, 57611, 115222, 118483, 230444, 236966, 473932, 6279599, 12559198, 25118396]

約数ペア:

[(1, 25118396), (2, 12559198), (4, 6279599), (53, 473932), (106, 236966), (109, 230444), (212, 118483), (218, 115222), (436, 57611), (1087, 23108), (2174, 11554), (4348, 5777)]