205947821

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{2689}}^1$

素因数の和:2876

約数の個数: 16

約数和(自身を含む): 225960000

約数和(自身を除く): 20012179

約数列:

[1, 19, 29, 139, 551, 2641, 2689, 4031, 51091, 76589, 77981, 373771, 1481639, 7101649, 10839359, 205947821]

約数ペア:

[(1, 205947821), (19, 10839359), (29, 7101649), (139, 1481639), (551, 373771), (2641, 77981), (2689, 76589), (4031, 51091)]