2645968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{12721}}^1$

素因数の和:12742

約数の個数: 20

約数和(自身を含む): 5521348

約数和(自身を除く): 2875380

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 12721, 25442, 50884, 101768, 165373, 203536, 330746, 661492, 1322984, 2645968]

約数ペア:

[(1, 2645968), (2, 1322984), (4, 661492), (8, 330746), (13, 203536), (16, 165373), (26, 101768), (52, 50884), (104, 25442), (208, 12721)]