22857328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109891}}^1$

素因数の和:109912

約数の個数: 20

約数和(自身を含む): 47693128

約数和(自身を除く): 24835800

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 109891, 219782, 439564, 879128, 1428583, 1758256, 2857166, 5714332, 11428664, 22857328]

約数ペア:

[(1, 22857328), (2, 11428664), (4, 5714332), (8, 2857166), (13, 1758256), (16, 1428583), (26, 879128), (52, 439564), (104, 219782), (208, 109891)]