28240368

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:462

約数の個数: 80

約数和(自身を含む): 79328256

約数和(自身を除く): 51087888

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 167, 208, 271, 312, 334, 501, 542, 624, 668, 813, 1002, 1084, 1336, 1626, 2004, 2168, 2171, 2672, 3252, 3523, 4008, 4336, 4342, 6504, 6513, 7046, 8016, 8684, 10569, 13008, 13026, 14092, 17368, 21138, 26052, 28184, 34736, 42276, 45257, 52104, 56368, 84552, 90514, 104208, 135771, 169104, 181028, 271542, 362056, 543084, 588341, 724112, 1086168, 1176682, 1765023, 2172336, 2353364, 3530046, 4706728, 7060092, 9413456, 14120184, 28240368]

約数ペア:

[(1, 28240368), (2, 14120184), (3, 9413456), (4, 7060092), (6, 4706728), (8, 3530046), (12, 2353364), (13, 2172336), (16, 1765023), (24, 1176682), (26, 1086168), (39, 724112), (48, 588341), (52, 543084), (78, 362056), (104, 271542), (156, 181028), (167, 169104), (208, 135771), (271, 104208), (312, 90514), (334, 84552), (501, 56368), (542, 52104), (624, 45257), (668, 42276), (813, 34736), (1002, 28184), (1084, 26052), (1336, 21138), (1626, 17368), (2004, 14092), (2168, 13026), (2171, 13008), (2672, 10569), (3252, 8684), (3523, 8016), (4008, 7046), (4336, 6513), (4342, 6504)]