12863060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{661}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 31140480

約数和(自身を除く): 18277420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 661, 695, 973, 1322, 1390, 1946, 2644, 2780, 3305, 3892, 4627, 4865, 6610, 9254, 9730, 13220, 18508, 19460, 23135, 46270, 91879, 92540, 183758, 367516, 459395, 643153, 918790, 1286306, 1837580, 2572612, 3215765, 6431530, 12863060]

約数ペア:

[(1, 12863060), (2, 6431530), (4, 3215765), (5, 2572612), (7, 1837580), (10, 1286306), (14, 918790), (20, 643153), (28, 459395), (35, 367516), (70, 183758), (139, 92540), (140, 91879), (278, 46270), (556, 23135), (661, 19460), (695, 18508), (973, 13220), (1322, 9730), (1390, 9254), (1946, 6610), (2644, 4865), (2780, 4627), (3305, 3892)]