1620814

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:244

約数の個数: 32

約数和(自身を含む): 2933280

約数和(自身を除く): 1312466

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 193, 221, 247, 323, 386, 442, 494, 646, 2509, 3281, 3667, 4199, 5018, 6562, 7334, 8398, 42653, 47671, 62339, 85306, 95342, 124678, 810407, 1620814]

約数ペア:

[(1, 1620814), (2, 810407), (13, 124678), (17, 95342), (19, 85306), (26, 62339), (34, 47671), (38, 42653), (193, 8398), (221, 7334), (247, 6562), (323, 5018), (386, 4199), (442, 3667), (494, 3281), (646, 2509)]