211375475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{445001}}^1$

素因数の和:445030

約数の個数: 12

約数和(自身を含む): 275901240

約数和(自身を除く): 64525765

約数列:

[1, 5, 19, 25, 95, 475, 445001, 2225005, 8455019, 11125025, 42275095, 211375475]

約数ペア:

[(1, 211375475), (5, 42275095), (19, 11125025), (25, 8455019), (95, 2225005), (475, 445001)]