391170085

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{200087}}^1$

素因数の和:200132

約数の個数: 16

約数和(自身を含む): 518628096

約数和(自身を除く): 127458011

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 200087, 1000435, 3401479, 4602001, 17007395, 23010005, 78234017, 391170085]

約数ペア:

[(1, 391170085), (5, 78234017), (17, 23010005), (23, 17007395), (85, 4602001), (115, 3401479), (391, 1000435), (1955, 200087)]