28000525

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^2$

素因数の和:182

約数の個数: 36

約数和(自身を含む): 41280096

約数和(自身を除く): 13279571

約数列:

[1, 5, 7, 25, 35, 43, 61, 175, 215, 301, 305, 427, 1075, 1505, 1525, 2135, 2623, 3721, 7525, 10675, 13115, 18361, 18605, 26047, 65575, 91805, 93025, 130235, 160003, 459025, 651175, 800015, 1120021, 4000075, 5600105, 28000525]

約数ペア:

[(1, 28000525), (5, 5600105), (7, 4000075), (25, 1120021), (35, 800015), (43, 651175), (61, 459025), (175, 160003), (215, 130235), (301, 93025), (305, 91805), (427, 65575), (1075, 26047), (1505, 18605), (1525, 18361), (2135, 13115), (2623, 10675), (3721, 7525)]