639069266

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{167911}}^1$

素因数の和:168097

約数の個数: 16

約数和(自身を含む): 1051800768

約数和(自身を除く): 412731502

約数列:

[1, 2, 11, 22, 173, 346, 1903, 3806, 167911, 335822, 1847021, 3694042, 29048603, 58097206, 319534633, 639069266]

約数ペア:

[(1, 639069266), (2, 319534633), (11, 58097206), (22, 29048603), (173, 3694042), (346, 1847021), (1903, 335822), (3806, 167911)]