28956564

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8839}}^1$

素因数の和:8869

約数の個数: 72

約数和(自身を含む): 90097280

約数和(自身を除く): 61140716

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 8839, 17678, 26517, 35356, 53034, 61873, 79551, 106068, 114907, 123746, 159102, 185619, 229814, 247492, 318204, 344721, 371238, 459628, 556857, 689442, 742476, 804349, 1034163, 1113714, 1378884, 1608698, 2068326, 2227428, 2413047, 3217396, 4136652, 4826094, 7239141, 9652188, 14478282, 28956564]

約数ペア:

[(1, 28956564), (2, 14478282), (3, 9652188), (4, 7239141), (6, 4826094), (7, 4136652), (9, 3217396), (12, 2413047), (13, 2227428), (14, 2068326), (18, 1608698), (21, 1378884), (26, 1113714), (28, 1034163), (36, 804349), (39, 742476), (42, 689442), (52, 556857), (63, 459628), (78, 371238), (84, 344721), (91, 318204), (117, 247492), (126, 229814), (156, 185619), (182, 159102), (234, 123746), (252, 114907), (273, 106068), (364, 79551), (468, 61873), (546, 53034), (819, 35356), (1092, 26517), (1638, 17678), (3276, 8839)]