209401085

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{1091}}^1\times {\mathrm{1669}}^1$

素因数の和:2788

約数の個数: 16

約数和(自身を含む): 262604160

約数和(自身を除く): 53203075

約数列:

[1, 5, 23, 115, 1091, 1669, 5455, 8345, 25093, 38387, 125465, 191935, 1820879, 9104395, 41880217, 209401085]

約数ペア:

[(1, 209401085), (5, 41880217), (23, 9104395), (115, 1820879), (1091, 191935), (1669, 125465), (5455, 38387), (8345, 25093)]