181678718

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 298166400

約数和(自身を除く): 116487682

約数列:

[1, 2, 13, 26, 169, 173, 239, 338, 346, 478, 2197, 2249, 3107, 4394, 4498, 6214, 29237, 40391, 41347, 58474, 80782, 82694, 380081, 525083, 537511, 760162, 1050166, 1075022, 6987643, 13975286, 90839359, 181678718]

約数ペア:

[(1, 181678718), (2, 90839359), (13, 13975286), (26, 6987643), (169, 1075022), (173, 1050166), (239, 760162), (338, 537511), (346, 525083), (478, 380081), (2197, 82694), (2249, 80782), (3107, 58474), (4394, 41347), (4498, 40391), (6214, 29237)]