1900222891

素因数分解:

$7^2\times {\mathrm{89}}^1\times {\mathrm{435731}}^1$

素因数の和:435834

約数の個数: 12

約数和(自身を含む): 2235305160

約数和(自身を除く): 335082269

約数列:

[1, 7, 49, 89, 623, 4361, 435731, 3050117, 21350819, 38780059, 271460413, 1900222891]

約数ペア:

[(1, 1900222891), (7, 271460413), (49, 38780059), (89, 21350819), (623, 3050117), (4361, 435731)]