200520565

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1543}}^1$

素因数の和:1681

約数の個数: 32

約数和(自身を含む): 284590080

約数和(自身を除く): 84069515

約数列:

[1, 5, 7, 35, 47, 79, 235, 329, 395, 553, 1543, 1645, 2765, 3713, 7715, 10801, 18565, 25991, 54005, 72521, 121897, 129955, 362605, 507647, 609485, 853279, 2538235, 4266395, 5729159, 28645795, 40104113, 200520565]

約数ペア:

[(1, 200520565), (5, 40104113), (7, 28645795), (35, 5729159), (47, 4266395), (79, 2538235), (235, 853279), (329, 609485), (395, 507647), (553, 362605), (1543, 129955), (1645, 121897), (2765, 72521), (3713, 54005), (7715, 25991), (10801, 18565)]