28872174828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1\times {\mathrm{3511}}^1$

素因数の和:4187

約数の個数: 96

約数和(自身を含む): 77535969280

約数和(自身を除く): 48663794452

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 223, 439, 446, 669, 878, 892, 1317, 1338, 1561, 1756, 2634, 2676, 3073, 3122, 3511, 4683, 5268, 6146, 6244, 7022, 9219, 9366, 10533, 12292, 14044, 18438, 18732, 21066, 24577, 36876, 42132, 49154, 73731, 97897, 98308, 147462, 195794, 293691, 294924, 391588, 587382, 685279, 782953, 1174764, 1370558, 1541329, 1565906, 2055837, 2348859, 2741116, 3082658, 3131812, 4111674, 4623987, 4697718, 5480671, 6165316, 8223348, 9247974, 9395436, 10789303, 10961342, 16442013, 18495948, 21578606, 21922684, 32367909, 32884026, 43157212, 64735818, 65768052, 129471636, 343716367, 687432734, 1031149101, 1374865468, 2062298202, 2406014569, 4124596404, 4812029138, 7218043707, 9624058276, 14436087414, 28872174828]

約数ペア:

[(1, 28872174828), (2, 14436087414), (3, 9624058276), (4, 7218043707), (6, 4812029138), (7, 4124596404), (12, 2406014569), (14, 2062298202), (21, 1374865468), (28, 1031149101), (42, 687432734), (84, 343716367), (223, 129471636), (439, 65768052), (446, 64735818), (669, 43157212), (878, 32884026), (892, 32367909), (1317, 21922684), (1338, 21578606), (1561, 18495948), (1756, 16442013), (2634, 10961342), (2676, 10789303), (3073, 9395436), (3122, 9247974), (3511, 8223348), (4683, 6165316), (5268, 5480671), (6146, 4697718), (6244, 4623987), (7022, 4111674), (9219, 3131812), (9366, 3082658), (10533, 2741116), (12292, 2348859), (14044, 2055837), (18438, 1565906), (18732, 1541329), (21066, 1370558), (24577, 1174764), (36876, 782953), (42132, 685279), (49154, 587382), (73731, 391588), (97897, 294924), (98308, 293691), (147462, 195794)]