680752

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:436

約数の個数: 20

約数和(自身を含む): 1332256

約数和(自身を除く): 651504

約数列:

[1, 2, 4, 8, 16, 157, 271, 314, 542, 628, 1084, 1256, 2168, 2512, 4336, 42547, 85094, 170188, 340376, 680752]

約数ペア:

[(1, 680752), (2, 340376), (4, 170188), (8, 85094), (16, 42547), (157, 4336), (271, 2512), (314, 2168), (542, 1256), (628, 1084)]