28420344

素因数分解:

$2^3\times 3^2\times {\mathrm{394727}}^1$

素因数の和:394739

約数の個数: 24

約数和(自身を含む): 76971960

約数和(自身を除く): 48551616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 394727, 789454, 1184181, 1578908, 2368362, 3157816, 3552543, 4736724, 7105086, 9473448, 14210172, 28420344]

約数ペア:

[(1, 28420344), (2, 14210172), (3, 9473448), (4, 7105086), (6, 4736724), (8, 3552543), (9, 3157816), (12, 2368362), (18, 1578908), (24, 1184181), (36, 789454), (72, 394727)]