28266119

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{1249}}^1$

素因数の和:1370

約数の個数: 16

約数和(自身を含む): 33480000

約数和(自身を除く): 5213881

約数列:

[1, 7, 53, 61, 371, 427, 1249, 3233, 8743, 22631, 66197, 76189, 463379, 533323, 4038017, 28266119]

約数ペア:

[(1, 28266119), (7, 4038017), (53, 533323), (61, 463379), (371, 76189), (427, 66197), (1249, 22631), (3233, 8743)]