1561072

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{2269}}^1$

素因数の和:2320

約数の個数: 20

約数和(自身を含む): 3096280

約数和(自身を除く): 1535208

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 2269, 4538, 9076, 18152, 36304, 97567, 195134, 390268, 780536, 1561072]

約数ペア:

[(1, 1561072), (2, 780536), (4, 390268), (8, 195134), (16, 97567), (43, 36304), (86, 18152), (172, 9076), (344, 4538), (688, 2269)]