127978412

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{6221}}^1$

素因数の和:6401

約数の個数: 24

約数和(自身を含む): 231707280

約数和(自身を除く): 103728868

約数列:

[1, 2, 4, 37, 74, 139, 148, 278, 556, 5143, 6221, 10286, 12442, 20572, 24884, 230177, 460354, 864719, 920708, 1729438, 3458876, 31994603, 63989206, 127978412]

約数ペア:

[(1, 127978412), (2, 63989206), (4, 31994603), (37, 3458876), (74, 1729438), (139, 920708), (148, 864719), (278, 460354), (556, 230177), (5143, 24884), (6221, 20572), (10286, 12442)]