128699946

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{647}}^1$

素因数の和:955

約数の個数: 48

約数和(自身を含む): 286887744

約数和(自身を除く): 158187798

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 257, 258, 387, 514, 647, 771, 774, 1294, 1542, 1941, 2313, 3882, 4626, 5823, 11051, 11646, 22102, 27821, 33153, 55642, 66306, 83463, 99459, 166279, 166926, 198918, 250389, 332558, 498837, 500778, 997674, 1496511, 2993022, 7149997, 14299994, 21449991, 42899982, 64349973, 128699946]

約数ペア:

[(1, 128699946), (2, 64349973), (3, 42899982), (6, 21449991), (9, 14299994), (18, 7149997), (43, 2993022), (86, 1496511), (129, 997674), (257, 500778), (258, 498837), (387, 332558), (514, 250389), (647, 198918), (771, 166926), (774, 166279), (1294, 99459), (1542, 83463), (1941, 66306), (2313, 55642), (3882, 33153), (4626, 27821), (5823, 22102), (11051, 11646)]