16209925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{887}}^1$

素因数の和:957

約数の個数: 24

約数和(自身を含む): 21802176

約数和(自身を除く): 5592251

約数列:

[1, 5, 17, 25, 43, 85, 215, 425, 731, 887, 1075, 3655, 4435, 15079, 18275, 22175, 38141, 75395, 190705, 376975, 648397, 953525, 3241985, 16209925]

約数ペア:

[(1, 16209925), (5, 3241985), (17, 953525), (25, 648397), (43, 376975), (85, 190705), (215, 75395), (425, 38141), (731, 22175), (887, 18275), (1075, 15079), (3655, 4435)]