68863730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1321}}^1$

素因数の和:1742

約数の個数: 32

約数和(自身を含む): 133923888

約数和(自身を除く): 65060158

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 401, 802, 1321, 2005, 2642, 4010, 5213, 6605, 10426, 13210, 17173, 26065, 34346, 52130, 85865, 171730, 529721, 1059442, 2648605, 5297210, 6886373, 13772746, 34431865, 68863730]

約数ペア:

[(1, 68863730), (2, 34431865), (5, 13772746), (10, 6886373), (13, 5297210), (26, 2648605), (65, 1059442), (130, 529721), (401, 171730), (802, 85865), (1321, 52130), (2005, 34346), (2642, 26065), (4010, 17173), (5213, 13210), (6605, 10426)]