28280268

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{7207}}^1$

素因数の和:7326

約数の個数: 36

約数和(自身を含む): 72152080

約数和(自身を除く): 43871812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 327, 436, 654, 981, 1308, 1962, 3924, 7207, 14414, 21621, 28828, 43242, 64863, 86484, 129726, 259452, 785563, 1571126, 2356689, 3142252, 4713378, 7070067, 9426756, 14140134, 28280268]

約数ペア:

[(1, 28280268), (2, 14140134), (3, 9426756), (4, 7070067), (6, 4713378), (9, 3142252), (12, 2356689), (18, 1571126), (36, 785563), (109, 259452), (218, 129726), (327, 86484), (436, 64863), (654, 43242), (981, 28828), (1308, 21621), (1962, 14414), (3924, 7207)]