219921956

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{193}}^1\times {\mathrm{2521}}^1$

素因数の和:2831

約数の個数: 24

約数和(自身を含む): 390435864

約数和(自身を除く): 170513908

約数列:

[1, 2, 4, 113, 193, 226, 386, 452, 772, 2521, 5042, 10084, 21809, 43618, 87236, 284873, 486553, 569746, 973106, 1139492, 1946212, 54980489, 109960978, 219921956]

約数ペア:

[(1, 219921956), (2, 109960978), (4, 54980489), (113, 1946212), (193, 1139492), (226, 973106), (386, 569746), (452, 486553), (772, 284873), (2521, 87236), (5042, 43618), (10084, 21809)]