80204978

素因数分解:

$2^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{18661}}^1$

素因数の和:18977

約数の個数: 16

約数和(自身を含む): 137949504

約数和(自身を除く): 57744526

約数列:

[1, 2, 7, 14, 307, 614, 2149, 4298, 18661, 37322, 130627, 261254, 5728927, 11457854, 40102489, 80204978]

約数ペア:

[(1, 80204978), (2, 40102489), (7, 11457854), (14, 5728927), (307, 261254), (614, 130627), (2149, 37322), (4298, 18661)]