260940484

素因数分解:

$2^2\times 7^2\times {\mathrm{1331329}}^1$

素因数の和:1331347

約数の個数: 18

約数和(自身を含む): 531200670

約数和(自身を除く): 270260186

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1331329, 2662658, 5325316, 9319303, 18638606, 37277212, 65235121, 130470242, 260940484]

約数ペア:

[(1, 260940484), (2, 130470242), (4, 65235121), (7, 37277212), (14, 18638606), (28, 9319303), (49, 5325316), (98, 2662658), (196, 1331329)]