81245612

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{28729}}^1$

素因数の和:28841

約数の個数: 24

約数和(自身を含む): 164105760

約数和(自身を除く): 82860148

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 28729, 57458, 114916, 201103, 402206, 804412, 2901629, 5803258, 11606516, 20311403, 40622806, 81245612]

約数ペア:

[(1, 81245612), (2, 40622806), (4, 20311403), (7, 11606516), (14, 5803258), (28, 2901629), (101, 804412), (202, 402206), (404, 201103), (707, 114916), (1414, 57458), (2828, 28729)]