215966716

素因数分解:

$2^2\times 7^2\times {\mathrm{1101871}}^1$

素因数の和:1101889

約数の個数: 18

約数和(自身を含む): 439646928

約数和(自身を除く): 223680212

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1101871, 2203742, 4407484, 7713097, 15426194, 30852388, 53991679, 107983358, 215966716]

約数ペア:

[(1, 215966716), (2, 107983358), (4, 53991679), (7, 30852388), (14, 15426194), (28, 7713097), (49, 4407484), (98, 2203742), (196, 1101871)]