221709905

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{4787}}^1$

素因数の和:5008

約数の個数: 16

約数和(自身を含む): 272341440

約数和(自身を除く): 50631535

約数列:

[1, 5, 59, 157, 295, 785, 4787, 9263, 23935, 46315, 282433, 751559, 1412165, 3757795, 44341981, 221709905]

約数ペア:

[(1, 221709905), (5, 44341981), (59, 3757795), (157, 1412165), (295, 751559), (785, 282433), (4787, 46315), (9263, 23935)]