2212903

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{991}}^1$

素因数の和:1038

約数の個数: 16

約数和(自身を含む): 2856960

約数和(自身を除く): 644057

約数列:

[1, 7, 11, 29, 77, 203, 319, 991, 2233, 6937, 10901, 28739, 76307, 201173, 316129, 2212903]

約数ペア:

[(1, 2212903), (7, 316129), (11, 201173), (29, 76307), (77, 28739), (203, 10901), (319, 6937), (991, 2233)]