287480081

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{77929}}^1$

素因数の和:77984

約数の個数: 16

約数和(自身を含む): 359101440

約数和(自身を除く): 71621359

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 77929, 545503, 1324793, 2415799, 9273551, 16910593, 41068583, 287480081]

約数ペア:

[(1, 287480081), (7, 41068583), (17, 16910593), (31, 9273551), (119, 2415799), (217, 1324793), (527, 545503), (3689, 77929)]