491061538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{129023}}^1$

素因数の和:129209

約数の個数: 16

約数和(自身を含む): 808206336

約数和(自身を除く): 317144798

約数列:

[1, 2, 11, 22, 173, 346, 1903, 3806, 129023, 258046, 1419253, 2838506, 22320979, 44641958, 245530769, 491061538]

約数ペア:

[(1, 491061538), (2, 245530769), (11, 44641958), (22, 22320979), (173, 2838506), (346, 1419253), (1903, 258046), (3806, 129023)]