26921225

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 34700160

約数和(自身を除く): 7778935

約数列:

[1, 5, 25, 43, 79, 215, 317, 395, 1075, 1585, 1975, 3397, 7925, 13631, 16985, 25043, 68155, 84925, 125215, 340775, 626075, 1076849, 5384245, 26921225]

約数ペア:

[(1, 26921225), (5, 5384245), (25, 1076849), (43, 626075), (79, 340775), (215, 125215), (317, 84925), (395, 68155), (1075, 25043), (1585, 16985), (1975, 13631), (3397, 7925)]