16978421

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:392

約数の個数: 16

約数和(自身を含む): 18382848

約数和(自身を除く): 1404427

約数列:

[1, 31, 43, 47, 271, 1333, 1457, 2021, 8401, 11653, 12737, 62651, 361243, 394847, 547691, 16978421]

約数ペア:

[(1, 16978421), (31, 547691), (43, 394847), (47, 361243), (271, 62651), (1333, 12737), (1457, 11653), (2021, 8401)]