221136464

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{108827}}^1$

素因数の和:108962

約数の個数: 20

約数和(自身を含む): 431829504

約数和(自身を除く): 210693040

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 108827, 217654, 435308, 870616, 1741232, 13821029, 27642058, 55284116, 110568232, 221136464]

約数ペア:

[(1, 221136464), (2, 110568232), (4, 55284116), (8, 27642058), (16, 13821029), (127, 1741232), (254, 870616), (508, 435308), (1016, 217654), (2032, 108827)]