28774375

素因数分解:

$5^4\times 7^1\times {\mathrm{6577}}^1$

素因数の和:6604

約数の個数: 20

約数和(自身を含む): 41099344

約数和(自身を除く): 12324969

約数列:

[1, 5, 7, 25, 35, 125, 175, 625, 875, 4375, 6577, 32885, 46039, 164425, 230195, 822125, 1150975, 4110625, 5754875, 28774375]

約数ペア:

[(1, 28774375), (5, 5754875), (7, 4110625), (25, 1150975), (35, 822125), (125, 230195), (175, 164425), (625, 46039), (875, 32885), (4375, 6577)]