289328834

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1\times {\mathrm{4003}}^1$

素因数の和:4585

約数の個数: 16

約数和(自身を含む): 441080640

約数和(自身を除く): 151751806

約数列:

[1, 2, 71, 142, 509, 1018, 4003, 8006, 36139, 72278, 284213, 568426, 2037527, 4075054, 144664417, 289328834]

約数ペア:

[(1, 289328834), (2, 144664417), (71, 4075054), (142, 2037527), (509, 568426), (1018, 284213), (4003, 72278), (8006, 36139)]