129120314

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{4159}}^1$

素因数の和:4242

約数の個数: 24

約数和(自身を含む): 209214720

約数和(自身を除く): 80094406

約数列:

[1, 2, 19, 38, 43, 86, 361, 722, 817, 1634, 4159, 8318, 15523, 31046, 79021, 158042, 178837, 357674, 1501399, 3002798, 3397903, 6795806, 64560157, 129120314]

約数ペア:

[(1, 129120314), (2, 64560157), (19, 6795806), (38, 3397903), (43, 3002798), (86, 1501399), (361, 357674), (722, 178837), (817, 158042), (1634, 79021), (4159, 31046), (8318, 15523)]