1278896

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{1193}}^1$

素因数の和:1268

約数の個数: 20

約数和(自身を含む): 2516952

約数和(自身を除く): 1238056

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 1193, 2386, 4772, 9544, 19088, 79931, 159862, 319724, 639448, 1278896]

約数ペア:

[(1, 1278896), (2, 639448), (4, 319724), (8, 159862), (16, 79931), (67, 19088), (134, 9544), (268, 4772), (536, 2386), (1072, 1193)]