208031908

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{1279}}^1$

素因数の和:1484

約数の個数: 48

約数和(自身を含む): 430366720

約数和(自身を除く): 222334812

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 157, 259, 314, 518, 628, 1036, 1099, 1279, 2198, 2558, 4396, 5116, 5809, 8953, 11618, 17906, 23236, 35812, 40663, 47323, 81326, 94646, 162652, 189292, 200803, 331261, 401606, 662522, 803212, 1325044, 1405621, 2811242, 5622484, 7429711, 14859422, 29718844, 52007977, 104015954, 208031908]

約数ペア:

[(1, 208031908), (2, 104015954), (4, 52007977), (7, 29718844), (14, 14859422), (28, 7429711), (37, 5622484), (74, 2811242), (148, 1405621), (157, 1325044), (259, 803212), (314, 662522), (518, 401606), (628, 331261), (1036, 200803), (1099, 189292), (1279, 162652), (2198, 94646), (2558, 81326), (4396, 47323), (5116, 40663), (5809, 35812), (8953, 23236), (11618, 17906)]