247716784

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71347}}^1$

素因数の和:71393

約数の個数: 40

約数和(自身を含む): 566217728

約数和(自身を除く): 318500944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 71347, 142694, 285388, 499429, 570776, 998858, 1141552, 1997716, 2211757, 3995432, 4423514, 7990864, 8847028, 15482299, 17694056, 30964598, 35388112, 61929196, 123858392, 247716784]

約数ペア:

[(1, 247716784), (2, 123858392), (4, 61929196), (7, 35388112), (8, 30964598), (14, 17694056), (16, 15482299), (28, 8847028), (31, 7990864), (56, 4423514), (62, 3995432), (112, 2211757), (124, 1997716), (217, 1141552), (248, 998858), (434, 570776), (496, 499429), (868, 285388), (1736, 142694), (3472, 71347)]