128668232

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{208877}}^1$

素因数の和:208901

約数の個数: 32

約数和(自身を含む): 300784320

約数和(自身を除く): 172116088

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 208877, 417754, 835508, 1462139, 1671016, 2297647, 2924278, 4595294, 5848556, 9190588, 11697112, 16083529, 18381176, 32167058, 64334116, 128668232]

約数ペア:

[(1, 128668232), (2, 64334116), (4, 32167058), (7, 18381176), (8, 16083529), (11, 11697112), (14, 9190588), (22, 5848556), (28, 4595294), (44, 2924278), (56, 2297647), (77, 1671016), (88, 1462139), (154, 835508), (308, 417754), (616, 208877)]