81609356

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{617}}^1\times {\mathrm{769}}^1$

素因数の和:1433

約数の個数: 24

約数和(自身を含む): 146564880

約数和(自身を除く): 64955524

約数列:

[1, 2, 4, 43, 86, 172, 617, 769, 1234, 1538, 2468, 3076, 26531, 33067, 53062, 66134, 106124, 132268, 474473, 948946, 1897892, 20402339, 40804678, 81609356]

約数ペア:

[(1, 81609356), (2, 40804678), (4, 20402339), (43, 1897892), (86, 948946), (172, 474473), (617, 132268), (769, 106124), (1234, 66134), (1538, 53062), (2468, 33067), (3076, 26531)]