221469712

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{108991}}^1$

素因数の和:109126

約数の個数: 20

約数和(自身を含む): 432480256

約数和(自身を除く): 211010544

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 108991, 217982, 435964, 871928, 1743856, 13841857, 27683714, 55367428, 110734856, 221469712]

約数ペア:

[(1, 221469712), (2, 110734856), (4, 55367428), (8, 27683714), (16, 13841857), (127, 1743856), (254, 871928), (508, 435964), (1016, 217982), (2032, 108991)]