81856728

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{30727}}^1$

素因数の和:30776

約数の個数: 48

約数和(自身を含む): 227694480

約数和(自身を除く): 145837752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 296, 333, 444, 666, 888, 1332, 2664, 30727, 61454, 92181, 122908, 184362, 245816, 276543, 368724, 553086, 737448, 1106172, 1136899, 2212344, 2273798, 3410697, 4547596, 6821394, 9095192, 10232091, 13642788, 20464182, 27285576, 40928364, 81856728]

約数ペア:

[(1, 81856728), (2, 40928364), (3, 27285576), (4, 20464182), (6, 13642788), (8, 10232091), (9, 9095192), (12, 6821394), (18, 4547596), (24, 3410697), (36, 2273798), (37, 2212344), (72, 1136899), (74, 1106172), (111, 737448), (148, 553086), (222, 368724), (296, 276543), (333, 245816), (444, 184362), (666, 122908), (888, 92181), (1332, 61454), (2664, 30727)]