171888208

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{27617}}^1$

素因数の和:28014

約数の個数: 20

約数和(自身を含む): 333901620

約数和(自身を除く): 162013412

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 6224, 27617, 55234, 110468, 220936, 441872, 10743013, 21486026, 42972052, 85944104, 171888208]

約数ペア:

[(1, 171888208), (2, 85944104), (4, 42972052), (8, 21486026), (16, 10743013), (389, 441872), (778, 220936), (1556, 110468), (3112, 55234), (6224, 27617)]