26989844

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{20509}}^1$

素因数の和:20567

約数の個数: 24

約数和(自身を含む): 55130880

約数和(自身を除く): 28141036

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 20509, 41018, 82036, 143563, 287126, 574252, 963923, 1927846, 3855692, 6747461, 13494922, 26989844]

約数ペア:

[(1, 26989844), (2, 13494922), (4, 6747461), (7, 3855692), (14, 1927846), (28, 963923), (47, 574252), (94, 287126), (188, 143563), (329, 82036), (658, 41018), (1316, 20509)]