2161621

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:504

約数の個数: 16

約数和(自身を含む): 2741760

約数和(自身を除く): 580139

約数列:

[1, 7, 11, 67, 77, 419, 469, 737, 2933, 4609, 5159, 28073, 32263, 196511, 308803, 2161621]

約数ペア:

[(1, 2161621), (7, 308803), (11, 196511), (67, 32263), (77, 28073), (419, 5159), (469, 4609), (737, 2933)]