28422589

素因数分解:

${\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{761}}^1$

素因数の和:817

約数の個数: 16

約数和(自身を含む): 32644080

約数和(自身を除く): 4221491

約数列:

[1, 13, 17, 169, 221, 761, 2197, 2873, 9893, 12937, 37349, 128609, 168181, 1671917, 2186353, 28422589]

約数ペア:

[(1, 28422589), (13, 2186353), (17, 1671917), (169, 168181), (221, 128609), (761, 37349), (2197, 12937), (2873, 9893)]