81423768

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{307}}^1$

素因数の和:616

約数の個数: 64

約数和(自身を含む): 209784960

約数和(自身を除く): 128361192

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 257, 258, 307, 344, 514, 516, 614, 771, 921, 1028, 1032, 1228, 1542, 1842, 2056, 2456, 3084, 3684, 6168, 7368, 11051, 13201, 22102, 26402, 33153, 39603, 44204, 52804, 66306, 78899, 79206, 88408, 105608, 132612, 157798, 158412, 236697, 265224, 315596, 316824, 473394, 631192, 946788, 1893576, 3392657, 6785314, 10177971, 13570628, 20355942, 27141256, 40711884, 81423768]

約数ペア:

[(1, 81423768), (2, 40711884), (3, 27141256), (4, 20355942), (6, 13570628), (8, 10177971), (12, 6785314), (24, 3392657), (43, 1893576), (86, 946788), (129, 631192), (172, 473394), (257, 316824), (258, 315596), (307, 265224), (344, 236697), (514, 158412), (516, 157798), (614, 132612), (771, 105608), (921, 88408), (1028, 79206), (1032, 78899), (1228, 66306), (1542, 52804), (1842, 44204), (2056, 39603), (2456, 33153), (3084, 26402), (3684, 22102), (6168, 13201), (7368, 11051)]