28222775

素因数分解:

$5^2\times 7^2\times {\mathrm{23039}}^1$

素因数の和:23063

約数の個数: 18

約数和(自身を含む): 40711680

約数和(自身を除く): 12488905

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 23039, 115195, 161273, 575975, 806365, 1128911, 4031825, 5644555, 28222775]

約数ペア:

[(1, 28222775), (5, 5644555), (7, 4031825), (25, 1128911), (35, 806365), (49, 575975), (175, 161273), (245, 115195), (1225, 23039)]