211464253

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 292795776

約数和(自身を除く): 81331523

約数列:

[1, 7, 11, 13, 49, 77, 91, 103, 143, 293, 539, 637, 721, 1001, 1133, 1339, 2051, 3223, 3809, 5047, 7007, 7931, 9373, 14357, 14729, 22561, 26663, 30179, 41899, 55517, 65611, 103103, 157927, 186641, 211253, 293293, 331969, 392327, 721721, 1478771, 2053051, 2323783, 2746289, 4315597, 16266481, 19224023, 30209179, 211464253]

約数ペア:

[(1, 211464253), (7, 30209179), (11, 19224023), (13, 16266481), (49, 4315597), (77, 2746289), (91, 2323783), (103, 2053051), (143, 1478771), (293, 721721), (539, 392327), (637, 331969), (721, 293293), (1001, 211253), (1133, 186641), (1339, 157927), (2051, 103103), (3223, 65611), (3809, 55517), (5047, 41899), (7007, 30179), (7931, 26663), (9373, 22561), (14357, 14729)]