25253839

素因数分解:

${\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 29250720

約数和(自身を除く): 3996881

約数列:

[1, 13, 23, 73, 89, 169, 299, 949, 1157, 1679, 2047, 3887, 6497, 12337, 15041, 21827, 26611, 84461, 149431, 283751, 345943, 1097993, 1942603, 25253839]

約数ペア:

[(1, 25253839), (13, 1942603), (23, 1097993), (73, 345943), (89, 283751), (169, 149431), (299, 84461), (949, 26611), (1157, 21827), (1679, 15041), (2047, 12337), (3887, 6497)]