639648

素因数分解:

$2^5\times 3^2\times {\mathrm{2221}}^1$

素因数の和:2237

約数の個数: 36

約数和(自身を含む): 1819818

約数和(自身を除く): 1180170

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 2221, 4442, 6663, 8884, 13326, 17768, 19989, 26652, 35536, 39978, 53304, 71072, 79956, 106608, 159912, 213216, 319824, 639648]

約数ペア:

[(1, 639648), (2, 319824), (3, 213216), (4, 159912), (6, 106608), (8, 79956), (9, 71072), (12, 53304), (16, 39978), (18, 35536), (24, 26652), (32, 19989), (36, 17768), (48, 13326), (72, 8884), (96, 6663), (144, 4442), (288, 2221)]