253266904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{66931}}^1$

素因数の和:66991

約数の個数: 32

約数和(自身を含む): 530101440

約数和(自身を除く): 276834536

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 66931, 133862, 267724, 535448, 736241, 1472482, 2878033, 2944964, 5756066, 5889928, 11512132, 23024264, 31658363, 63316726, 126633452, 253266904]

約数ペア:

[(1, 253266904), (2, 126633452), (4, 63316726), (8, 31658363), (11, 23024264), (22, 11512132), (43, 5889928), (44, 5756066), (86, 2944964), (88, 2878033), (172, 1472482), (344, 736241), (473, 535448), (946, 267724), (1892, 133862), (3784, 66931)]