81318998

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1\times {\mathrm{1511}}^1$

素因数の和:1963

約数の個数: 16

約数和(自身を含む): 124104960

約数和(自身を除く): 42785962

約数列:

[1, 2, 71, 142, 379, 758, 1511, 3022, 26909, 53818, 107281, 214562, 572669, 1145338, 40659499, 81318998]

約数ペア:

[(1, 81318998), (2, 40659499), (71, 1145338), (142, 572669), (379, 214562), (758, 107281), (1511, 53818), (3022, 26909)]