217876484

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{39499}}^1$

素因数の和:39707

約数の個数: 24

約数和(自身を含む): 437976000

約数和(自身を除く): 220099516

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 5516, 39499, 78998, 157996, 276493, 552986, 1105972, 7781303, 15562606, 31125212, 54469121, 108938242, 217876484]

約数ペア:

[(1, 217876484), (2, 108938242), (4, 54469121), (7, 31125212), (14, 15562606), (28, 7781303), (197, 1105972), (394, 552986), (788, 276493), (1379, 157996), (2758, 78998), (5516, 39499)]