25819651

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:116

約数の個数: 48

約数和(自身を含む): 34784640

約数和(自身を除く): 8964989

約数列:

[1, 11, 13, 17, 19, 43, 143, 169, 187, 209, 221, 247, 323, 473, 559, 731, 817, 1859, 2431, 2717, 2873, 3211, 3553, 4199, 6149, 7267, 8041, 8987, 9503, 10621, 13889, 31603, 35321, 46189, 54587, 79937, 104533, 116831, 123539, 138073, 152779, 180557, 600457, 1358929, 1518803, 1986127, 2347241, 25819651]

約数ペア:

[(1, 25819651), (11, 2347241), (13, 1986127), (17, 1518803), (19, 1358929), (43, 600457), (143, 180557), (169, 152779), (187, 138073), (209, 123539), (221, 116831), (247, 104533), (323, 79937), (473, 54587), (559, 46189), (731, 35321), (817, 31603), (1859, 13889), (2431, 10621), (2717, 9503), (2873, 8987), (3211, 8041), (3553, 7267), (4199, 6149)]