257070832

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{223}}^1\times {\mathrm{661}}^1$

素因数の和:1001

約数の個数: 40

約数和(自身を含む): 505662080

約数和(自身を除く): 248591248

約数列:

[1, 2, 4, 8, 16, 109, 218, 223, 436, 446, 661, 872, 892, 1322, 1744, 1784, 2644, 3568, 5288, 10576, 24307, 48614, 72049, 97228, 144098, 147403, 194456, 288196, 294806, 388912, 576392, 589612, 1152784, 1179224, 2358448, 16066927, 32133854, 64267708, 128535416, 257070832]

約数ペア:

[(1, 257070832), (2, 128535416), (4, 64267708), (8, 32133854), (16, 16066927), (109, 2358448), (218, 1179224), (223, 1152784), (436, 589612), (446, 576392), (661, 388912), (872, 294806), (892, 288196), (1322, 194456), (1744, 147403), (1784, 144098), (2644, 97228), (3568, 72049), (5288, 48614), (10576, 24307)]