81712584

素因数分解:

$2^3\times 3^3\times {\mathrm{199}}^1\times {\mathrm{1901}}^1$

素因数の和:2115

約数の個数: 64

約数和(自身を含む): 228240000

約数和(自身を除く): 146527416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 199, 216, 398, 597, 796, 1194, 1592, 1791, 1901, 2388, 3582, 3802, 4776, 5373, 5703, 7164, 7604, 10746, 11406, 14328, 15208, 17109, 21492, 22812, 34218, 42984, 45624, 51327, 68436, 102654, 136872, 205308, 378299, 410616, 756598, 1134897, 1513196, 2269794, 3026392, 3404691, 4539588, 6809382, 9079176, 10214073, 13618764, 20428146, 27237528, 40856292, 81712584]

約数ペア:

[(1, 81712584), (2, 40856292), (3, 27237528), (4, 20428146), (6, 13618764), (8, 10214073), (9, 9079176), (12, 6809382), (18, 4539588), (24, 3404691), (27, 3026392), (36, 2269794), (54, 1513196), (72, 1134897), (108, 756598), (199, 410616), (216, 378299), (398, 205308), (597, 136872), (796, 102654), (1194, 68436), (1592, 51327), (1791, 45624), (1901, 42984), (2388, 34218), (3582, 22812), (3802, 21492), (4776, 17109), (5373, 15208), (5703, 14328), (7164, 11406), (7604, 10746)]