618963121

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{28793}}^1$

素因数の和:28920

約数の個数: 16

約数和(自身を含む): 735283584

約数和(自身を除く): 116320463

約数列:

[1, 7, 37, 83, 259, 581, 3071, 21497, 28793, 201551, 1065341, 2389819, 7457387, 16728733, 88423303, 618963121]

約数ペア:

[(1, 618963121), (7, 88423303), (37, 16728733), (83, 7457387), (259, 2389819), (581, 1065341), (3071, 201551), (21497, 28793)]