400253042

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{426709}}^1$

素因数の和:426785

約数の個数: 16

約数和(自身を含む): 696390720

約数和(自身を除く): 296137678

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 426709, 853418, 2986963, 5973926, 28589503, 57179006, 200126521, 400253042]

約数ペア:

[(1, 400253042), (2, 200126521), (7, 57179006), (14, 28589503), (67, 5973926), (134, 2986963), (469, 853418), (938, 426709)]