26172728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{421}}^1$

素因数の和:855

約数の個数: 32

約数和(自身を含む): 51906000

約数和(自身を除く): 25733272

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 409, 421, 818, 842, 1636, 1684, 3272, 3368, 7771, 7999, 15542, 15998, 31084, 31996, 62168, 63992, 172189, 344378, 688756, 1377512, 3271591, 6543182, 13086364, 26172728]

約数ペア:

[(1, 26172728), (2, 13086364), (4, 6543182), (8, 3271591), (19, 1377512), (38, 688756), (76, 344378), (152, 172189), (409, 63992), (421, 62168), (818, 31996), (842, 31084), (1636, 15998), (1684, 15542), (3272, 7999), (3368, 7771)]