28074852

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:513

約数の個数: 72

約数和(自身を含む): 77051520

約数和(自身を除く): 48976668

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 239, 251, 468, 478, 502, 717, 753, 956, 1004, 1434, 1506, 2151, 2259, 2868, 3012, 3107, 3263, 4302, 4518, 6214, 6526, 8604, 9036, 9321, 9789, 12428, 13052, 18642, 19578, 27963, 29367, 37284, 39156, 55926, 58734, 59989, 111852, 117468, 119978, 179967, 239956, 359934, 539901, 719868, 779857, 1079802, 1559714, 2159604, 2339571, 3119428, 4679142, 7018713, 9358284, 14037426, 28074852]

約数ペア:

[(1, 28074852), (2, 14037426), (3, 9358284), (4, 7018713), (6, 4679142), (9, 3119428), (12, 2339571), (13, 2159604), (18, 1559714), (26, 1079802), (36, 779857), (39, 719868), (52, 539901), (78, 359934), (117, 239956), (156, 179967), (234, 119978), (239, 117468), (251, 111852), (468, 59989), (478, 58734), (502, 55926), (717, 39156), (753, 37284), (956, 29367), (1004, 27963), (1434, 19578), (1506, 18642), (2151, 13052), (2259, 12428), (2868, 9789), (3012, 9321), (3107, 9036), (3263, 8604), (4302, 6526), (4518, 6214)]