2803213

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:256

約数の個数: 16

約数和(自身を含む): 3351040

約数和(自身を除く): 547827

約数列:

[1, 7, 43, 67, 139, 301, 469, 973, 2881, 5977, 9313, 20167, 41839, 65191, 400459, 2803213]

約数ペア:

[(1, 2803213), (7, 400459), (43, 65191), (67, 41839), (139, 20167), (301, 9313), (469, 5977), (973, 2881)]