213978965

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{34319}}^1$

素因数の和:34396

約数の個数: 16

約数和(自身を含む): 271814400

約数和(自身を除く): 57835435

約数列:

[1, 5, 29, 43, 145, 215, 1247, 6235, 34319, 171595, 995251, 1475717, 4976255, 7378585, 42795793, 213978965]

約数ペア:

[(1, 213978965), (5, 42795793), (29, 7378585), (43, 4976255), (145, 1475717), (215, 995251), (1247, 171595), (6235, 34319)]