228861.00000000

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{7789}}^1$

素因数の和:7906

約数の個数: 20

約数和(自身を含む): 26563900

約数和(自身を除く): 12979884

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 7789, 15578, 31156, 62312, 124624, 849001, 1698002, 3396004, 6792008, 13584016]

約数ペア:

[(1, 13584016), (2, 6792008), (4, 3396004), (8, 1698002), (16, 849001), (109, 124624), (218, 62312), (436, 31156), (872, 15578), (1744, 7789)]