1881439715

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1\times {\mathrm{13001}}^1$

素因数の和:13390

約数の個数: 16

約数和(自身を含む): 2287935936

約数和(自身を除く): 406496221

約数列:

[1, 5, 103, 281, 515, 1405, 13001, 28943, 65005, 144715, 1339103, 3653281, 6695515, 18266405, 376287943, 1881439715]

約数ペア:

[(1, 1881439715), (5, 376287943), (103, 18266405), (281, 6695515), (515, 3653281), (1405, 1339103), (13001, 144715), (28943, 65005)]