28815989

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:652

約数の個数: 16

約数和(自身を含む): 31570560

約数和(自身を除く): 2754571

約数列:

[1, 19, 41, 71, 521, 779, 1349, 2911, 9899, 21361, 36991, 55309, 405859, 702829, 1516631, 28815989]

約数ペア:

[(1, 28815989), (19, 1516631), (41, 702829), (71, 405859), (521, 55309), (779, 36991), (1349, 21361), (2911, 9899)]