198428713

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{353}}^1\times {\mathrm{613}}^1$

素因数の和:1104

約数の個数: 16

約数和(自身を含む): 229527936

約数和(自身を除く): 31099223

約数列:

[1, 7, 131, 353, 613, 917, 2471, 4291, 46243, 80303, 216389, 323701, 562121, 1514723, 28346959, 198428713]

約数ペア:

[(1, 198428713), (7, 28346959), (131, 1514723), (353, 562121), (613, 323701), (917, 216389), (2471, 80303), (4291, 46243)]