209940654

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{454417}}^1$

素因数の和:454440

約数の個数: 32

約数和(自身を含む): 523489536

約数和(自身を除く): 313548882

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 454417, 908834, 1363251, 2726502, 3180919, 4998587, 6361838, 9542757, 9997174, 14995761, 19085514, 29991522, 34990109, 69980218, 104970327, 209940654]

約数ペア:

[(1, 209940654), (2, 104970327), (3, 69980218), (6, 34990109), (7, 29991522), (11, 19085514), (14, 14995761), (21, 9997174), (22, 9542757), (33, 6361838), (42, 4998587), (66, 3180919), (77, 2726502), (154, 1363251), (231, 908834), (462, 454417)]