215047084

素因数分解:

$2^2\times 7^2\times {\mathrm{1097179}}^1$

素因数の和:1097197

約数の個数: 18

約数和(自身を含む): 437774820

約数和(自身を除く): 222727736

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1097179, 2194358, 4388716, 7680253, 15360506, 30721012, 53761771, 107523542, 215047084]

約数ペア:

[(1, 215047084), (2, 107523542), (4, 53761771), (7, 30721012), (14, 15360506), (28, 7680253), (49, 4388716), (98, 2194358), (196, 1097179)]