1665872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{8009}}^1$

素因数の和:8030

約数の個数: 20

約数和(自身を含む): 3476340

約数和(自身を除く): 1810468

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 8009, 16018, 32036, 64072, 104117, 128144, 208234, 416468, 832936, 1665872]

約数ペア:

[(1, 1665872), (2, 832936), (4, 416468), (8, 208234), (13, 128144), (16, 104117), (26, 64072), (52, 32036), (104, 16018), (208, 8009)]