217063408

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{255971}}^1$

素因数の和:256032

約数の個数: 20

約数和(自身を含む): 428497128

約数和(自身を除く): 211433720

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 255971, 511942, 1023884, 2047768, 4095536, 13566463, 27132926, 54265852, 108531704, 217063408]

約数ペア:

[(1, 217063408), (2, 108531704), (4, 54265852), (8, 27132926), (16, 13566463), (53, 4095536), (106, 2047768), (212, 1023884), (424, 511942), (848, 255971)]