38407369

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:146

約数の個数: 64

約数和(自身を含む): 56996352

約数和(自身を除く): 18588983

約数列:

[1, 7, 11, 13, 17, 37, 61, 77, 91, 119, 143, 187, 221, 259, 407, 427, 481, 629, 671, 793, 1001, 1037, 1309, 1547, 2257, 2431, 2849, 3367, 4403, 4697, 5291, 5551, 6919, 7259, 8177, 8723, 11407, 13481, 15799, 17017, 24827, 29341, 37037, 38369, 48433, 57239, 61061, 79849, 89947, 94367, 148291, 173789, 205387, 268583, 322751, 422059, 498797, 629629, 1038037, 2259257, 2954413, 3491579, 5486767, 38407369]

約数ペア:

[(1, 38407369), (7, 5486767), (11, 3491579), (13, 2954413), (17, 2259257), (37, 1038037), (61, 629629), (77, 498797), (91, 422059), (119, 322751), (143, 268583), (187, 205387), (221, 173789), (259, 148291), (407, 94367), (427, 89947), (481, 79849), (629, 61061), (671, 57239), (793, 48433), (1001, 38369), (1037, 37037), (1309, 29341), (1547, 24827), (2257, 17017), (2431, 15799), (2849, 13481), (3367, 11407), (4403, 8723), (4697, 8177), (5291, 7259), (5551, 6919)]