8681981

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2399}}^1$

素因数の和:2464

約数の個数: 16

約数和(自身を含む): 11059200

約数和(自身を除く): 2377219

約数列:

[1, 7, 11, 47, 77, 329, 517, 2399, 3619, 16793, 26389, 112753, 184723, 789271, 1240283, 8681981]

約数ペア:

[(1, 8681981), (7, 1240283), (11, 789271), (47, 184723), (77, 112753), (329, 26389), (517, 16793), (2399, 3619)]