220161978

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{284447}}^1$

素因数の和:284498

約数の個数: 24

約数和(自身を含む): 488112768

約数和(自身を除く): 267950790

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 284447, 568894, 853341, 1706682, 2560023, 5120046, 12231221, 24462442, 36693663, 73387326, 110080989, 220161978]

約数ペア:

[(1, 220161978), (2, 110080989), (3, 73387326), (6, 36693663), (9, 24462442), (18, 12231221), (43, 5120046), (86, 2560023), (129, 1706682), (258, 853341), (387, 568894), (774, 284447)]