8971265

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 11321856

約数和(自身を除く): 2350591

約数列:

[1, 5, 23, 115, 181, 431, 905, 2155, 4163, 9913, 20815, 49565, 78011, 390055, 1794253, 8971265]

約数ペア:

[(1, 8971265), (5, 1794253), (23, 390055), (115, 78011), (181, 49565), (431, 20815), (905, 9913), (2155, 4163)]