128566788

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{218651}}^1$

素因数の和:218672

約数の個数: 36

約数和(自身を含む): 348968592

約数和(自身を除く): 220401804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 218651, 437302, 655953, 874604, 1311906, 1530557, 2623812, 3061114, 4591671, 6122228, 9183342, 10713899, 18366684, 21427798, 32141697, 42855596, 64283394, 128566788]

約数ペア:

[(1, 128566788), (2, 64283394), (3, 42855596), (4, 32141697), (6, 21427798), (7, 18366684), (12, 10713899), (14, 9183342), (21, 6122228), (28, 4591671), (42, 3061114), (49, 2623812), (84, 1530557), (98, 1311906), (147, 874604), (196, 655953), (294, 437302), (588, 218651)]