128439738

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{797}}^1\times {\mathrm{1279}}^1$

素因数の和:2091

約数の個数: 48

約数和(自身を含む): 318689280

約数和(自身を除く): 190249542

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 797, 1279, 1594, 2391, 2558, 3837, 4782, 5579, 7173, 7674, 8953, 11158, 11511, 14346, 16737, 17906, 23022, 26859, 33474, 50211, 53718, 80577, 100422, 161154, 1019363, 2038726, 3058089, 6116178, 7135541, 9174267, 14271082, 18348534, 21406623, 42813246, 64219869, 128439738]

約数ペア:

[(1, 128439738), (2, 64219869), (3, 42813246), (6, 21406623), (7, 18348534), (9, 14271082), (14, 9174267), (18, 7135541), (21, 6116178), (42, 3058089), (63, 2038726), (126, 1019363), (797, 161154), (1279, 100422), (1594, 80577), (2391, 53718), (2558, 50211), (3837, 33474), (4782, 26859), (5579, 23022), (7173, 17906), (7674, 16737), (8953, 14346), (11158, 11511)]