128942008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{72931}}^1$

素因数の和:72967

約数の個数: 32

約数和(自身を含む): 275682960

約数和(自身を除く): 146740952

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 72931, 145862, 291724, 583448, 948103, 1239827, 1896206, 2479654, 3792412, 4959308, 7584824, 9918616, 16117751, 32235502, 64471004, 128942008]

約数ペア:

[(1, 128942008), (2, 64471004), (4, 32235502), (8, 16117751), (13, 9918616), (17, 7584824), (26, 4959308), (34, 3792412), (52, 2479654), (68, 1896206), (104, 1239827), (136, 948103), (221, 583448), (442, 291724), (884, 145862), (1768, 72931)]