128125788

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{217901}}^1$

素因数の和:217922

約数の個数: 36

約数和(自身を含む): 347771592

約数和(自身を除く): 219645804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 217901, 435802, 653703, 871604, 1307406, 1525307, 2614812, 3050614, 4575921, 6101228, 9151842, 10677149, 18303684, 21354298, 32031447, 42708596, 64062894, 128125788]

約数ペア:

[(1, 128125788), (2, 64062894), (3, 42708596), (4, 32031447), (6, 21354298), (7, 18303684), (12, 10677149), (14, 9151842), (21, 6101228), (28, 4575921), (42, 3050614), (49, 2614812), (84, 1525307), (98, 1307406), (147, 871604), (196, 653703), (294, 435802), (588, 217901)]