2138940958

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{79}}^1\times {\mathrm{1453}}^1$

素因数の和:1574

約数の個数: 64

約数和(自身を含む): 4087019520

約数和(自身を除く): 1948078562

約数列:

[1, 2, 7, 11, 14, 22, 77, 79, 121, 154, 158, 242, 553, 847, 869, 1106, 1331, 1453, 1694, 1738, 2662, 2906, 6083, 9317, 9559, 10171, 12166, 15983, 18634, 19118, 20342, 31966, 66913, 105149, 111881, 114787, 133826, 175813, 210298, 223762, 229574, 351626, 736043, 803509, 1230691, 1262657, 1472086, 1607018, 1933943, 2461382, 2525314, 3867886, 8838599, 13537601, 13889227, 17677198, 27075202, 27778454, 97224589, 152781497, 194449178, 305562994, 1069470479, 2138940958]

約数ペア:

[(1, 2138940958), (2, 1069470479), (7, 305562994), (11, 194449178), (14, 152781497), (22, 97224589), (77, 27778454), (79, 27075202), (121, 17677198), (154, 13889227), (158, 13537601), (242, 8838599), (553, 3867886), (847, 2525314), (869, 2461382), (1106, 1933943), (1331, 1607018), (1453, 1472086), (1694, 1262657), (1738, 1230691), (2662, 803509), (2906, 736043), (6083, 351626), (9317, 229574), (9559, 223762), (10171, 210298), (12166, 175813), (15983, 133826), (18634, 114787), (19118, 111881), (20342, 105149), (31966, 66913)]