128965863

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{647}}^1$

素因数の和:951

約数の個数: 32

約数和(自身を含む): 195955200

約数和(自身を除く): 66989337

約数列:

[1, 3, 13, 19, 39, 57, 247, 269, 647, 741, 807, 1941, 3497, 5111, 8411, 10491, 12293, 15333, 25233, 36879, 66443, 159809, 174043, 199329, 479427, 522129, 2262559, 3306817, 6787677, 9920451, 42988621, 128965863]

約数ペア:

[(1, 128965863), (3, 42988621), (13, 9920451), (19, 6787677), (39, 3306817), (57, 2262559), (247, 522129), (269, 479427), (647, 199329), (741, 174043), (807, 159809), (1941, 66443), (3497, 36879), (5111, 25233), (8411, 15333), (10491, 12293)]