638960063

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{1193}}^1\times {\mathrm{4027}}^1$

素因数の和:5246

約数の個数: 16

約数和(自身を含む): 769509120

約数和(自身を除く): 130549057

約数列:

[1, 7, 19, 133, 1193, 4027, 8351, 22667, 28189, 76513, 158669, 535591, 4804211, 33629477, 91280009, 638960063]

約数ペア:

[(1, 638960063), (7, 91280009), (19, 33629477), (133, 4804211), (1193, 535591), (4027, 158669), (8351, 76513), (22667, 28189)]