280688

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:392

約数の個数: 20

約数和(自身を含む): 555768

約数和(自身を除く): 275080

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 331, 424, 662, 848, 1324, 2648, 5296, 17543, 35086, 70172, 140344, 280688]

約数ペア:

[(1, 280688), (2, 140344), (4, 70172), (8, 35086), (16, 17543), (53, 5296), (106, 2648), (212, 1324), (331, 848), (424, 662)]