56142821

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1\times {\mathrm{487}}^1$

素因数の和:920

約数の個数: 16

約数和(自身を含む): 65961984

約数和(自身を除く): 9819163

約数列:

[1, 7, 43, 301, 383, 487, 2681, 3409, 16469, 20941, 115283, 146587, 186521, 1305647, 8020403, 56142821]

約数ペア:

[(1, 56142821), (7, 8020403), (43, 1305647), (301, 186521), (383, 146587), (487, 115283), (2681, 20941), (3409, 16469)]