25298273

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 34406400

約数和(自身を除く): 9108127

約数列:

[1, 7, 11, 13, 77, 91, 127, 143, 199, 889, 1001, 1393, 1397, 1651, 2189, 2587, 9779, 11557, 15323, 18109, 18161, 25273, 28457, 127127, 176911, 199199, 278003, 328549, 1946021, 2299843, 3614039, 25298273]

約数ペア:

[(1, 25298273), (7, 3614039), (11, 2299843), (13, 1946021), (77, 328549), (91, 278003), (127, 199199), (143, 176911), (199, 127127), (889, 28457), (1001, 25273), (1393, 18161), (1397, 18109), (1651, 15323), (2189, 11557), (2587, 9779)]