99519889

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{5153}}^1$

素因数の和:5280

約数の個数: 16

約数和(自身を含む): 118748160

約数和(自身を除く): 19228271

約数列:

[1, 7, 31, 89, 217, 623, 2759, 5153, 19313, 36071, 159743, 458617, 1118201, 3210319, 14217127, 99519889]

約数ペア:

[(1, 99519889), (7, 14217127), (31, 3210319), (89, 1118201), (217, 458617), (623, 159743), (2759, 36071), (5153, 19313)]