12881978

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{1451}}^1$

素因数の和:1669

約数の個数: 16

約数和(自身を含む): 20281536

約数和(自身を除く): 7399558

約数列:

[1, 2, 23, 46, 193, 386, 1451, 2902, 4439, 8878, 33373, 66746, 280043, 560086, 6440989, 12881978]

約数ペア:

[(1, 12881978), (2, 6440989), (23, 560086), (46, 280043), (193, 66746), (386, 33373), (1451, 8878), (2902, 4439)]