28771918

素因数分解:

$2^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{2143}}^1$

素因数の和:2296

約数の個数: 24

約数和(自身を含む): 50594112

約数和(自身を除く): 21822194

約数列:

[1, 2, 7, 14, 49, 98, 137, 274, 959, 1918, 2143, 4286, 6713, 13426, 15001, 30002, 105007, 210014, 293591, 587182, 2055137, 4110274, 14385959, 28771918]

約数ペア:

[(1, 28771918), (2, 14385959), (7, 4110274), (14, 2055137), (49, 587182), (98, 293591), (137, 210014), (274, 105007), (959, 30002), (1918, 15001), (2143, 13426), (4286, 6713)]