1291115

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{997}}^1$

素因数の和:1046

約数の個数: 16

約数和(自身を含む): 1820352

約数和(自身を除く): 529237

約数列:

[1, 5, 7, 35, 37, 185, 259, 997, 1295, 4985, 6979, 34895, 36889, 184445, 258223, 1291115]

約数ペア:

[(1, 1291115), (5, 258223), (7, 184445), (35, 36889), (37, 34895), (185, 6979), (259, 4985), (997, 1295)]