647567992

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{18401}}^1$

素因数の和:18543

約数の個数: 32

約数和(自身を含む): 1252072080

約数和(自身を除く): 604504088

約数列:

[1, 2, 4, 8, 53, 83, 106, 166, 212, 332, 424, 664, 4399, 8798, 17596, 18401, 35192, 36802, 73604, 147208, 975253, 1527283, 1950506, 3054566, 3901012, 6109132, 7802024, 12218264, 80945999, 161891998, 323783996, 647567992]

約数ペア:

[(1, 647567992), (2, 323783996), (4, 161891998), (8, 80945999), (53, 12218264), (83, 7802024), (106, 6109132), (166, 3901012), (212, 3054566), (332, 1950506), (424, 1527283), (664, 975253), (4399, 147208), (8798, 73604), (17596, 36802), (18401, 35192)]