25121716

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{571}}^1\times {\mathrm{647}}^1$

素因数の和:1239

約数の個数: 24

約数和(自身を含む): 46702656

約数和(自身を除く): 21580940

約数列:

[1, 2, 4, 17, 34, 68, 571, 647, 1142, 1294, 2284, 2588, 9707, 10999, 19414, 21998, 38828, 43996, 369437, 738874, 1477748, 6280429, 12560858, 25121716]

約数ペア:

[(1, 25121716), (2, 12560858), (4, 6280429), (17, 1477748), (34, 738874), (68, 369437), (571, 43996), (647, 38828), (1142, 21998), (1294, 19414), (2284, 10999), (2588, 9707)]