28105015

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{3533}}^1$

素因数の和:3618

約数の個数: 16

約数和(自身を含む): 35453088

約数和(自身を除く): 7348073

約数列:

[1, 5, 37, 43, 185, 215, 1591, 3533, 7955, 17665, 130721, 151919, 653605, 759595, 5621003, 28105015]

約数ペア:

[(1, 28105015), (5, 5621003), (37, 759595), (43, 653605), (185, 151919), (215, 130721), (1591, 17665), (3533, 7955)]