388639771

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{19759}}^1$

素因数の和:19878

約数の個数: 16

約数和(自身を含む): 448156800

約数和(自身を除く): 59517029

約数列:

[1, 13, 17, 89, 221, 1157, 1513, 19669, 19759, 256867, 335903, 1758551, 4366739, 22861163, 29895367, 388639771]

約数ペア:

[(1, 388639771), (13, 29895367), (17, 22861163), (89, 4366739), (221, 1758551), (1157, 335903), (1513, 256867), (19669, 19759)]