816888961

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{20477}}^1$

素因数の和:20664

約数の個数: 16

約数和(自身を含む): 963285120

約数和(自身を除く): 146396159

約数列:

[1, 7, 41, 139, 287, 973, 5699, 20477, 39893, 143339, 839557, 2846303, 5876899, 19924121, 116698423, 816888961]

約数ペア:

[(1, 816888961), (7, 116698423), (41, 19924121), (139, 5876899), (287, 2846303), (973, 839557), (5699, 143339), (20477, 39893)]