208804205

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{3989}}^1$

素因数の和:4061

約数の個数: 24

約数和(自身を含む): 273634200

約数和(自身を除く): 64829995

約数列:

[1, 5, 19, 29, 95, 145, 361, 551, 1805, 2755, 3989, 10469, 19945, 52345, 75791, 115681, 378955, 578405, 1440029, 2197939, 7200145, 10989695, 41760841, 208804205]

約数ペア:

[(1, 208804205), (5, 41760841), (19, 10989695), (29, 7200145), (95, 2197939), (145, 1440029), (361, 578405), (551, 378955), (1805, 115681), (2755, 75791), (3989, 52345), (10469, 19945)]