261208585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{206489}}^1$

素因数の和:206528

約数の個数: 16

約数和(自身を含む): 356814720

約数和(自身を除く): 95606135

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 206489, 1032445, 2271379, 4749247, 11356895, 23746235, 52241717, 261208585]

約数ペア:

[(1, 261208585), (5, 52241717), (11, 23746235), (23, 11356895), (55, 4749247), (115, 2271379), (253, 1032445), (1265, 206489)]