128535416

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{223}}^1\times {\mathrm{661}}^1$

素因数の和:999

約数の個数: 32

約数和(自身を含む): 244675200

約数和(自身を除く): 116139784

約数列:

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

約数ペア:

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