518518

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:77

約数の個数: 48

約数和(自身を含む): 1091664

約数和(自身を除く): 573146

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 37, 49, 74, 77, 91, 98, 143, 154, 182, 259, 286, 407, 481, 518, 539, 637, 814, 962, 1001, 1078, 1274, 1813, 2002, 2849, 3367, 3626, 5291, 5698, 6734, 7007, 10582, 14014, 19943, 23569, 37037, 39886, 47138, 74074, 259259, 518518]

約数ペア:

[(1, 518518), (2, 259259), (7, 74074), (11, 47138), (13, 39886), (14, 37037), (22, 23569), (26, 19943), (37, 14014), (49, 10582), (74, 7007), (77, 6734), (91, 5698), (98, 5291), (143, 3626), (154, 3367), (182, 2849), (259, 2002), (286, 1813), (407, 1274), (481, 1078), (518, 1001), (539, 962), (637, 814)]