219946285

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{47659}}^1$

素因数の和:47748

約数の個数: 16

約数和(自身を含む): 288247680

約数和(自身を除く): 68301395

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 47659, 238295, 619567, 3097835, 3383789, 16918945, 43989257, 219946285]

約数ペア:

[(1, 219946285), (5, 43989257), (13, 16918945), (65, 3383789), (71, 3097835), (355, 619567), (923, 238295), (4615, 47659)]