278237968

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{125107}}^1$

素因数の和:125254

約数の個数: 20

約数和(自身を含む): 542968720

約数和(自身を除く): 264730752

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 125107, 250214, 500428, 1000856, 2001712, 17389873, 34779746, 69559492, 139118984, 278237968]

約数ペア:

[(1, 278237968), (2, 139118984), (4, 69559492), (8, 34779746), (16, 17389873), (139, 2001712), (278, 1000856), (556, 500428), (1112, 250214), (2224, 125107)]