1279136

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:644

約数の個数: 24

約数和(自身を含む): 2558304

約数和(自身を除く): 1279168

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 563, 568, 1126, 1136, 2252, 2272, 4504, 9008, 18016, 39973, 79946, 159892, 319784, 639568, 1279136]

約数ペア:

[(1, 1279136), (2, 639568), (4, 319784), (8, 159892), (16, 79946), (32, 39973), (71, 18016), (142, 9008), (284, 4504), (563, 2272), (568, 2252), (1126, 1136)]