42139657

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 51710400

約数和(自身を除く): 9570743

約数列:

[1, 7, 23, 49, 139, 161, 269, 973, 1127, 1883, 3197, 6187, 6811, 13181, 22379, 37391, 43309, 156653, 261737, 303163, 859993, 1832159, 6019951, 42139657]

約数ペア:

[(1, 42139657), (7, 6019951), (23, 1832159), (49, 859993), (139, 303163), (161, 261737), (269, 156653), (973, 43309), (1127, 37391), (1883, 22379), (3197, 13181), (6187, 6811)]