9994985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1997}}^1$

素因数の和:2033

約数の個数: 32

約数和(自身を含む): 16111872

約数和(自身を除く): 6116887

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 1997, 5005, 9985, 13979, 21967, 25961, 69895, 109835, 129805, 153769, 181727, 285571, 768845, 908635, 1427855, 1998997, 9994985]

約数ペア:

[(1, 9994985), (5, 1998997), (7, 1427855), (11, 908635), (13, 768845), (35, 285571), (55, 181727), (65, 153769), (77, 129805), (91, 109835), (143, 69895), (385, 25961), (455, 21967), (715, 13979), (1001, 9985), (1997, 5005)]