233991208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61837}}^1$

素因数の和:61897

約数の個数: 32

約数和(自身を含む): 489756960

約数和(自身を除く): 255765752

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 61837, 123674, 247348, 494696, 680207, 1360414, 2658991, 2720828, 5317982, 5441656, 10635964, 21271928, 29248901, 58497802, 116995604, 233991208]

約数ペア:

[(1, 233991208), (2, 116995604), (4, 58497802), (8, 29248901), (11, 21271928), (22, 10635964), (43, 5441656), (44, 5317982), (86, 2720828), (88, 2658991), (172, 1360414), (344, 680207), (473, 494696), (946, 247348), (1892, 123674), (3784, 61837)]