640001293

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{6577}}^1$

素因数の和:6724

約数の個数: 16

約数和(自身を含む): 685374976

約数和(自身を除く): 45373683

約数列:

[1, 31, 43, 73, 1333, 2263, 3139, 6577, 97309, 203887, 282811, 480121, 8767141, 14883751, 20645203, 640001293]

約数ペア:

[(1, 640001293), (31, 20645203), (43, 14883751), (73, 8767141), (1333, 480121), (2263, 282811), (3139, 203887), (6577, 97309)]