201921941

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{7057}}^1$

素因数の和:7172

約数の個数: 16

約数和(自身を含む): 227662848

約数和(自身を除く): 25740907

約数列:

[1, 13, 31, 71, 403, 923, 2201, 7057, 28613, 91741, 218767, 501047, 2843971, 6513611, 15532457, 201921941]

約数ペア:

[(1, 201921941), (13, 15532457), (31, 6513611), (71, 2843971), (403, 501047), (923, 218767), (2201, 91741), (7057, 28613)]