28700321

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{397}}^1$

素因数の和:560

約数の個数: 16

約数和(自身を含む): 31827264

約数和(自身を除く): 3126943

約数列:

[1, 13, 67, 83, 397, 871, 1079, 5161, 5561, 26599, 32951, 72293, 345787, 428363, 2207717, 28700321]

約数ペア:

[(1, 28700321), (13, 2207717), (67, 428363), (83, 345787), (397, 72293), (871, 32951), (1079, 26599), (5161, 5561)]