81125682

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 183859200

約数和(自身を除く): 102733518

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 139, 222, 239, 278, 407, 417, 478, 717, 814, 834, 1221, 1434, 1529, 2442, 2629, 3058, 4587, 5143, 5258, 7887, 8843, 9174, 10286, 15429, 15774, 17686, 26529, 30858, 33221, 53058, 56573, 66442, 97273, 99663, 113146, 169719, 194546, 199326, 291819, 339438, 365431, 583638, 730862, 1096293, 1229177, 2192586, 2458354, 3687531, 7375062, 13520947, 27041894, 40562841, 81125682]

約数ペア:

[(1, 81125682), (2, 40562841), (3, 27041894), (6, 13520947), (11, 7375062), (22, 3687531), (33, 2458354), (37, 2192586), (66, 1229177), (74, 1096293), (111, 730862), (139, 583638), (222, 365431), (239, 339438), (278, 291819), (407, 199326), (417, 194546), (478, 169719), (717, 113146), (814, 99663), (834, 97273), (1221, 66442), (1434, 56573), (1529, 53058), (2442, 33221), (2629, 30858), (3058, 26529), (4587, 17686), (5143, 15774), (5258, 15429), (7887, 10286), (8843, 9174)]