260443183

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 373591680

約数和(自身を除く): 113148497

約数列:

[1, 7, 11, 13, 31, 49, 77, 91, 109, 121, 143, 217, 341, 403, 539, 637, 763, 847, 1001, 1199, 1417, 1519, 1573, 2387, 2821, 3379, 3751, 4433, 5341, 5929, 7007, 8393, 9919, 11011, 13189, 15587, 16709, 19747, 23653, 26257, 31031, 37169, 43927, 48763, 58751, 69433, 77077, 92323, 109109, 165571, 171457, 183799, 217217, 260183, 307489, 341341, 408859, 483197, 646261, 763763, 1200199, 1821281, 2152423, 2389387, 2862013, 3382379, 5315167, 8401393, 20034091, 23676653, 37206169, 260443183]

約数ペア:

[(1, 260443183), (7, 37206169), (11, 23676653), (13, 20034091), (31, 8401393), (49, 5315167), (77, 3382379), (91, 2862013), (109, 2389387), (121, 2152423), (143, 1821281), (217, 1200199), (341, 763763), (403, 646261), (539, 483197), (637, 408859), (763, 341341), (847, 307489), (1001, 260183), (1199, 217217), (1417, 183799), (1519, 171457), (1573, 165571), (2387, 109109), (2821, 92323), (3379, 77077), (3751, 69433), (4433, 58751), (5341, 48763), (5929, 43927), (7007, 37169), (8393, 31031), (9919, 26257), (11011, 23653), (13189, 19747), (15587, 16709)]