201413155

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^2\times {\mathrm{131}}^1$

素因数の和:339

約数の個数: 24

約数和(自身を含む): 251068752

約数和(自身を除く): 49655597

約数列:

[1, 5, 61, 71, 131, 305, 355, 655, 4331, 5041, 7991, 9301, 21655, 25205, 39955, 46505, 307501, 567361, 660371, 1537505, 2836805, 3301855, 40282631, 201413155]

約数ペア:

[(1, 201413155), (5, 40282631), (61, 3301855), (71, 2836805), (131, 1537505), (305, 660371), (355, 567361), (655, 307501), (4331, 46505), (5041, 39955), (7991, 25205), (9301, 21655)]