217973185

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{5431}}^1$

素因数の和:5808

約数の個数: 16

約数和(自身を含む): 273772800

約数和(自身を除く): 55799615

約数列:

[1, 5, 23, 115, 349, 1745, 5431, 8027, 27155, 40135, 124913, 624565, 1895419, 9477095, 43594637, 217973185]

約数ペア:

[(1, 217973185), (5, 43594637), (23, 9477095), (115, 1895419), (349, 624565), (1745, 124913), (5431, 40135), (8027, 27155)]