128890812

素因数分解:

$2^2\times 3^1\times {\mathrm{269}}^1\times {\mathrm{39929}}^1$

素因数の和:40205

約数の個数: 24

約数和(自身を含む): 301870800

約数和(自身を除く): 172979988

約数列:

[1, 2, 3, 4, 6, 12, 269, 538, 807, 1076, 1614, 3228, 39929, 79858, 119787, 159716, 239574, 479148, 10740901, 21481802, 32222703, 42963604, 64445406, 128890812]

約数ペア:

[(1, 128890812), (2, 64445406), (3, 42963604), (4, 32222703), (6, 21481802), (12, 10740901), (269, 479148), (538, 239574), (807, 159716), (1076, 119787), (1614, 79858), (3228, 39929)]