128519859

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:807

約数の個数: 32

約数和(自身を含む): 190257984

約数和(自身を除く): 61738125

約数列:

[1, 3, 13, 39, 53, 97, 159, 291, 641, 689, 1261, 1923, 2067, 3783, 5141, 8333, 15423, 24999, 33973, 62177, 66833, 101919, 186531, 200499, 441649, 808301, 1324947, 2424903, 3295381, 9886143, 42839953, 128519859]

約数ペア:

[(1, 128519859), (3, 42839953), (13, 9886143), (39, 3295381), (53, 2424903), (97, 1324947), (159, 808301), (291, 441649), (641, 200499), (689, 186531), (1261, 101919), (1923, 66833), (2067, 62177), (3783, 33973), (5141, 24999), (8333, 15423)]