228657618

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{1979}}^1$

素因数の和:2132

約数の個数: 72

約数和(自身を含む): 581003280

約数和(自身を除く): 352345662

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 131, 147, 262, 294, 393, 441, 786, 882, 917, 1179, 1834, 1979, 2358, 2751, 3958, 5502, 5937, 6419, 8253, 11874, 12838, 13853, 16506, 17811, 19257, 27706, 35622, 38514, 41559, 57771, 83118, 96971, 115542, 124677, 193942, 249354, 259249, 290913, 518498, 581826, 777747, 872739, 1555494, 1745478, 1814743, 2333241, 3629486, 4666482, 5444229, 10888458, 12703201, 16332687, 25406402, 32665374, 38109603, 76219206, 114328809, 228657618]

約数ペア:

[(1, 228657618), (2, 114328809), (3, 76219206), (6, 38109603), (7, 32665374), (9, 25406402), (14, 16332687), (18, 12703201), (21, 10888458), (42, 5444229), (49, 4666482), (63, 3629486), (98, 2333241), (126, 1814743), (131, 1745478), (147, 1555494), (262, 872739), (294, 777747), (393, 581826), (441, 518498), (786, 290913), (882, 259249), (917, 249354), (1179, 193942), (1834, 124677), (1979, 115542), (2358, 96971), (2751, 83118), (3958, 57771), (5502, 41559), (5937, 38514), (6419, 35622), (8253, 27706), (11874, 19257), (12838, 17811), (13853, 16506)]