2217956

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:240

約数の個数: 36

約数和(自身を含む): 4473252

約数和(自身を除く): 2255296

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 169, 193, 221, 338, 386, 442, 676, 772, 884, 2509, 2873, 3281, 5018, 5746, 6562, 10036, 11492, 13124, 32617, 42653, 65234, 85306, 130468, 170612, 554489, 1108978, 2217956]

約数ペア:

[(1, 2217956), (2, 1108978), (4, 554489), (13, 170612), (17, 130468), (26, 85306), (34, 65234), (52, 42653), (68, 32617), (169, 13124), (193, 11492), (221, 10036), (338, 6562), (386, 5746), (442, 5018), (676, 3281), (772, 2873), (884, 2509)]