28078226

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{443}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 47824128

約数和(自身を除く): 19745902

約数列:

[1, 2, 11, 22, 43, 67, 86, 134, 443, 473, 737, 886, 946, 1474, 2881, 4873, 5762, 9746, 19049, 29681, 31691, 38098, 59362, 63382, 209539, 326491, 419078, 652982, 1276283, 2552566, 14039113, 28078226]

約数ペア:

[(1, 28078226), (2, 14039113), (11, 2552566), (22, 1276283), (43, 652982), (67, 419078), (86, 326491), (134, 209539), (443, 63382), (473, 59362), (737, 38098), (886, 31691), (946, 29681), (1474, 19049), (2881, 9746), (4873, 5762)]