278763088

素因数分解:

$2^4\times {\mathrm{653}}^1\times {\mathrm{26681}}^1$

素因数の和:27342

約数の個数: 20

約数和(自身を含む): 540950868

約数和(自身を除く): 262187780

約数列:

[1, 2, 4, 8, 16, 653, 1306, 2612, 5224, 10448, 26681, 53362, 106724, 213448, 426896, 17422693, 34845386, 69690772, 139381544, 278763088]

約数ペア:

[(1, 278763088), (2, 139381544), (4, 69690772), (8, 34845386), (16, 17422693), (653, 426896), (1306, 213448), (2612, 106724), (5224, 53362), (10448, 26681)]