219048571

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1109}}^1$

素因数の和:1291

約数の個数: 24

約数和(自身を含む): 265734000

約数和(自身を除く): 46685429

約数列:

[1, 7, 29, 49, 139, 203, 973, 1109, 1421, 4031, 6811, 7763, 28217, 32161, 54341, 154151, 197519, 225127, 1079057, 1575889, 4470379, 7553399, 31292653, 219048571]

約数ペア:

[(1, 219048571), (7, 31292653), (29, 7553399), (49, 4470379), (139, 1575889), (203, 1079057), (973, 225127), (1109, 197519), (1421, 154151), (4031, 54341), (6811, 32161), (7763, 28217)]