221570296

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{218081}}^1$

素因数の和:218214

約数の個数: 16

約数和(自身を含む): 418717440

約数和(自身を除く): 197147144

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 218081, 436162, 872324, 1744648, 27696287, 55392574, 110785148, 221570296]

約数ペア:

[(1, 221570296), (2, 110785148), (4, 55392574), (8, 27696287), (127, 1744648), (254, 872324), (508, 436162), (1016, 218081)]