857668778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{53611}}^1$

素因数の和:54053

約数の個数: 16

約数和(自身を含む): 1357455840

約数和(自身を除く): 499787062

約数列:

[1, 2, 19, 38, 421, 842, 7999, 15998, 53611, 107222, 1018609, 2037218, 22570231, 45140462, 428834389, 857668778]

約数ペア:

[(1, 857668778), (2, 428834389), (19, 45140462), (38, 22570231), (421, 2037218), (842, 1018609), (7999, 107222), (15998, 53611)]