2051220970505

素因数分解:

$5^1\times 7^1\times {\mathrm{29927}}^1\times {\mathrm{1958309}}^1$

素因数の和:1988248

約数の個数: 16

約数和(自身を含む): 2813198480640

約数和(自身を除く): 761977510135

約数列:

[1, 5, 7, 35, 29927, 149635, 209489, 1047445, 1958309, 9791545, 13708163, 68540815, 58606313443, 293031567215, 410244194101, 2051220970505]

約数ペア:

[(1, 2051220970505), (5, 410244194101), (7, 293031567215), (35, 58606313443), (29927, 68540815), (149635, 13708163), (209489, 9791545), (1047445, 1958309)]