164077712

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{25073}}^1$

素因数の和:25490

約数の個数: 20

約数和(自身を含む): 318690540

約数和(自身を除く): 154612828

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 25073, 50146, 100292, 200584, 401168, 10254857, 20509714, 41019428, 82038856, 164077712]

約数ペア:

[(1, 164077712), (2, 82038856), (4, 41019428), (8, 20509714), (16, 10254857), (409, 401168), (818, 200584), (1636, 100292), (3272, 50146), (6544, 25073)]