641485442

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{239539}}^1$

素因数の和:239657

約数の個数: 16

約数和(自身を含む): 1046310720

約数和(自身を除く): 404825278

約数列:

[1, 2, 13, 26, 103, 206, 1339, 2678, 239539, 479078, 3114007, 6228014, 24672517, 49345034, 320742721, 641485442]

約数ペア:

[(1, 641485442), (2, 320742721), (13, 49345034), (26, 24672517), (103, 6228014), (206, 3114007), (1339, 479078), (2678, 239539)]