2561666262

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{431693}}^1$

素因数の和:431764

約数の個数: 32

約数和(自身を含む): 5470426368

約数和(自身を除く): 2908760106

約数列:

[1, 2, 3, 6, 23, 43, 46, 69, 86, 129, 138, 258, 989, 1978, 2967, 5934, 431693, 863386, 1295079, 2590158, 9928939, 18562799, 19857878, 29786817, 37125598, 55688397, 59573634, 111376794, 426944377, 853888754, 1280833131, 2561666262]

約数ペア:

[(1, 2561666262), (2, 1280833131), (3, 853888754), (6, 426944377), (23, 111376794), (43, 59573634), (46, 55688397), (69, 37125598), (86, 29786817), (129, 19857878), (138, 18562799), (258, 9928939), (989, 2590158), (1978, 1295079), (2967, 863386), (5934, 431693)]