77798161

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{2161}}^1$

素因数の和:2344

約数の個数: 16

約数和(自身を含む): 92014720

約数和(自身を除く): 14216559

約数列:

[1, 7, 37, 139, 259, 973, 2161, 5143, 15127, 36001, 79957, 300379, 559699, 2102653, 11114023, 77798161]

約数ペア:

[(1, 77798161), (7, 11114023), (37, 2102653), (139, 559699), (259, 300379), (973, 79957), (2161, 36001), (5143, 15127)]