72057968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{264919}}^1$

素因数の和:264944

約数の個数: 20

約数和(自身を含む): 147825360

約数和(自身を除く): 75767392

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 264919, 529838, 1059676, 2119352, 4238704, 4503623, 9007246, 18014492, 36028984, 72057968]

約数ペア:

[(1, 72057968), (2, 36028984), (4, 18014492), (8, 9007246), (16, 4503623), (17, 4238704), (34, 2119352), (68, 1059676), (136, 529838), (272, 264919)]