128560784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{730459}}^1$

素因数の和:730478

約数の個数: 20

約数和(自身を含む): 271731120

約数和(自身を除く): 143170336

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 730459, 1460918, 2921836, 5843672, 8035049, 11687344, 16070098, 32140196, 64280392, 128560784]

約数ペア:

[(1, 128560784), (2, 64280392), (4, 32140196), (8, 16070098), (11, 11687344), (16, 8035049), (22, 5843672), (44, 2921836), (88, 1460918), (176, 730459)]