1997149

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{701}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 2560896

約数和(自身を除く): 563747

約数列:

[1, 7, 11, 37, 77, 259, 407, 701, 2849, 4907, 7711, 25937, 53977, 181559, 285307, 1997149]

約数ペア:

[(1, 1997149), (7, 285307), (11, 181559), (37, 53977), (77, 25937), (259, 7711), (407, 4907), (701, 2849)]