1287344

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{1319}}^1$

素因数の和:1388

約数の個数: 20

約数和(自身を含む): 2537040

約数和(自身を除く): 1249696

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 1319, 2638, 5276, 10552, 21104, 80459, 160918, 321836, 643672, 1287344]

約数ペア:

[(1, 1287344), (2, 643672), (4, 321836), (8, 160918), (16, 80459), (61, 21104), (122, 10552), (244, 5276), (488, 2638), (976, 1319)]