28025744

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{19681}}^1$

素因数の和:19778

約数の個数: 20

約数和(自身を含む): 54912780

約数和(自身を除く): 26887036

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 19681, 39362, 78724, 157448, 314896, 1751609, 3503218, 7006436, 14012872, 28025744]

約数ペア:

[(1, 28025744), (2, 14012872), (4, 7006436), (8, 3503218), (16, 1751609), (89, 314896), (178, 157448), (356, 78724), (712, 39362), (1424, 19681)]