16881557

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1049}}^1$

素因数の和:1097

約数の個数: 24

約数和(自身を含む): 22344000

約数和(自身を除く): 5462443

約数列:

[1, 7, 11, 19, 77, 121, 133, 209, 847, 1049, 1463, 2299, 7343, 11539, 16093, 19931, 80773, 126929, 139517, 219241, 888503, 1534687, 2411651, 16881557]

約数ペア:

[(1, 16881557), (7, 2411651), (11, 1534687), (19, 888503), (77, 219241), (121, 139517), (133, 126929), (209, 80773), (847, 19931), (1049, 16093), (1463, 11539), (2299, 7343)]