64884205

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{6421}}^1$

素因数の和:6516

約数の個数: 16

約数和(自身を含む): 81379584

約数和(自身を除く): 16495379

約数列:

[1, 5, 43, 47, 215, 235, 2021, 6421, 10105, 32105, 276103, 301787, 1380515, 1508935, 12976841, 64884205]

約数ペア:

[(1, 64884205), (5, 12976841), (43, 1508935), (47, 1380515), (215, 301787), (235, 276103), (2021, 32105), (6421, 10105)]