28729764

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{659}}^1$

素因数の和:849

約数の個数: 72

約数和(自身を含む): 83603520

約数和(自身を除く): 54873756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 173, 252, 346, 519, 659, 692, 1038, 1211, 1318, 1557, 1977, 2076, 2422, 2636, 3114, 3633, 3954, 4613, 4844, 5931, 6228, 7266, 7908, 9226, 10899, 11862, 13839, 14532, 18452, 21798, 23724, 27678, 41517, 43596, 55356, 83034, 114007, 166068, 228014, 342021, 456028, 684042, 798049, 1026063, 1368084, 1596098, 2052126, 2394147, 3192196, 4104252, 4788294, 7182441, 9576588, 14364882, 28729764]

約数ペア:

[(1, 28729764), (2, 14364882), (3, 9576588), (4, 7182441), (6, 4788294), (7, 4104252), (9, 3192196), (12, 2394147), (14, 2052126), (18, 1596098), (21, 1368084), (28, 1026063), (36, 798049), (42, 684042), (63, 456028), (84, 342021), (126, 228014), (173, 166068), (252, 114007), (346, 83034), (519, 55356), (659, 43596), (692, 41517), (1038, 27678), (1211, 23724), (1318, 21798), (1557, 18452), (1977, 14532), (2076, 13839), (2422, 11862), (2636, 10899), (3114, 9226), (3633, 7908), (3954, 7266), (4613, 6228), (4844, 5931)]