80528707

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1291}}^1$

素因数の和:1391

約数の個数: 24

約数和(自身を含む): 100155840

約数和(自身を除く): 19627133

約数列:

[1, 7, 19, 49, 67, 133, 469, 931, 1273, 1291, 3283, 8911, 9037, 24529, 62377, 63259, 86497, 171703, 605479, 1201921, 1643443, 4238353, 11504101, 80528707]

約数ペア:

[(1, 80528707), (7, 11504101), (19, 4238353), (49, 1643443), (67, 1201921), (133, 605479), (469, 171703), (931, 86497), (1273, 63259), (1291, 62377), (3283, 24529), (8911, 9037)]