28261044

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{433}}^1$

素因数の和:494

約数の個数: 108

約数和(自身を含む): 85544004

約数和(自身を除く): 57282960

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 49, 63, 74, 84, 98, 111, 126, 147, 148, 196, 222, 252, 259, 294, 333, 433, 441, 444, 518, 588, 666, 777, 866, 882, 1036, 1299, 1332, 1554, 1732, 1764, 1813, 2331, 2598, 3031, 3108, 3626, 3897, 4662, 5196, 5439, 6062, 7252, 7794, 9093, 9324, 10878, 12124, 15588, 16021, 16317, 18186, 21217, 21756, 27279, 32042, 32634, 36372, 42434, 48063, 54558, 63651, 64084, 65268, 84868, 96126, 109116, 112147, 127302, 144189, 190953, 192252, 224294, 254604, 288378, 336441, 381906, 448588, 576756, 672882, 763812, 785029, 1009323, 1345764, 1570058, 2018646, 2355087, 3140116, 4037292, 4710174, 7065261, 9420348, 14130522, 28261044]

約数ペア:

[(1, 28261044), (2, 14130522), (3, 9420348), (4, 7065261), (6, 4710174), (7, 4037292), (9, 3140116), (12, 2355087), (14, 2018646), (18, 1570058), (21, 1345764), (28, 1009323), (36, 785029), (37, 763812), (42, 672882), (49, 576756), (63, 448588), (74, 381906), (84, 336441), (98, 288378), (111, 254604), (126, 224294), (147, 192252), (148, 190953), (196, 144189), (222, 127302), (252, 112147), (259, 109116), (294, 96126), (333, 84868), (433, 65268), (441, 64084), (444, 63651), (518, 54558), (588, 48063), (666, 42434), (777, 36372), (866, 32634), (882, 32042), (1036, 27279), (1299, 21756), (1332, 21217), (1554, 18186), (1732, 16317), (1764, 16021), (1813, 15588), (2331, 12124), (2598, 10878), (3031, 9324), (3108, 9093), (3626, 7794), (3897, 7252), (4662, 6062), (5196, 5439)]