399190051674

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{312355283}}^1$

素因数の和:312355362

約数の個数: 24

約数和(自身を含む): 877093637472

約数和(自身を除く): 477903585798

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 312355283, 624710566, 937065849, 1874131698, 2811197547, 5622395094, 22177225093, 44354450186, 66531675279, 133063350558, 199595025837, 399190051674]

約数ペア:

[(1, 399190051674), (2, 199595025837), (3, 133063350558), (6, 66531675279), (9, 44354450186), (18, 22177225093), (71, 5622395094), (142, 2811197547), (213, 1874131698), (426, 937065849), (639, 624710566), (1278, 312355283)]