209214131

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1\times {\mathrm{1021}}^1$

素因数の和:1502

約数の個数: 16

約数和(自身を含む): 243219648

約数和(自身を除く): 34005517

約数列:

[1, 7, 73, 401, 511, 1021, 2807, 7147, 29273, 74533, 204911, 409421, 521731, 2865947, 29887733, 209214131]

約数ペア:

[(1, 209214131), (7, 29887733), (73, 2865947), (401, 521731), (511, 409421), (1021, 204911), (2807, 74533), (7147, 29273)]