78085217

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1\times {\mathrm{503}}^1$

素因数の和:908

約数の個数: 16

約数和(自身を含む): 91026432

約数和(自身を除く): 12941215

約数列:

[1, 7, 67, 331, 469, 503, 2317, 3521, 22177, 33701, 155239, 166493, 235907, 1165451, 11155031, 78085217]

約数ペア:

[(1, 78085217), (7, 11155031), (67, 1165451), (331, 235907), (469, 166493), (503, 155239), (2317, 33701), (3521, 22177)]