139048144

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{280339}}^1$

素因数の和:280378

約数の個数: 20

約数和(自身を含む): 278097280

約数和(自身を除く): 139049136

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 280339, 560678, 1121356, 2242712, 4485424, 8690509, 17381018, 34762036, 69524072, 139048144]

約数ペア:

[(1, 139048144), (2, 69524072), (4, 34762036), (8, 17381018), (16, 8690509), (31, 4485424), (62, 2242712), (124, 1121356), (248, 560678), (496, 280339)]