25941968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{124721}}^1$

素因数の和:124742

約数の個数: 20

約数和(自身を含む): 54129348

約数和(自身を除く): 28187380

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 124721, 249442, 498884, 997768, 1621373, 1995536, 3242746, 6485492, 12970984, 25941968]

約数ペア:

[(1, 25941968), (2, 12970984), (4, 6485492), (8, 3242746), (13, 1995536), (16, 1621373), (26, 997768), (52, 498884), (104, 249442), (208, 124721)]