128909053

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10651}}^1$

素因数の和:10697

約数の個数: 24

約数和(自身を含む): 170005920

約数和(自身を除く): 41096867

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 637, 931, 1729, 10651, 12103, 74557, 138463, 202369, 521899, 969241, 1416583, 2630797, 6784687, 9916081, 18415579, 128909053]

約数ペア:

[(1, 128909053), (7, 18415579), (13, 9916081), (19, 6784687), (49, 2630797), (91, 1416583), (133, 969241), (247, 521899), (637, 202369), (931, 138463), (1729, 74557), (10651, 12103)]