219403790

素因数分解:

$2^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{126823}}^1$

素因数の和:127003

約数の個数: 16

約数和(自身を含む): 397212768

約数和(自身を除く): 177808978

約数列:

[1, 2, 5, 10, 173, 346, 865, 1730, 126823, 253646, 634115, 1268230, 21940379, 43880758, 109701895, 219403790]

約数ペア:

[(1, 219403790), (2, 109701895), (5, 43880758), (10, 21940379), (173, 1268230), (346, 634115), (865, 253646), (1730, 126823)]