218361425

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{1237}}^1$

素因数の和:1577

約数の個数: 24

約数和(自身を含む): 283690176

約数和(自身を除く): 65328751

約数列:

[1, 5, 23, 25, 115, 307, 575, 1237, 1535, 6185, 7061, 7675, 28451, 30925, 35305, 142255, 176525, 379759, 711275, 1898795, 8734457, 9493975, 43672285, 218361425]

約数ペア:

[(1, 218361425), (5, 43672285), (23, 9493975), (25, 8734457), (115, 1898795), (307, 711275), (575, 379759), (1237, 176525), (1535, 142255), (6185, 35305), (7061, 30925), (7675, 28451)]