25199967

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 13507233

約数列:

[1, 3, 13, 17, 39, 51, 191, 199, 221, 573, 597, 663, 2483, 2587, 3247, 3383, 7449, 7761, 9741, 10149, 38009, 42211, 43979, 114027, 126633, 131937, 494117, 646153, 1482351, 1938459, 8399989, 25199967]

約数ペア:

[(1, 25199967), (3, 8399989), (13, 1938459), (17, 1482351), (39, 646153), (51, 494117), (191, 131937), (199, 126633), (221, 114027), (573, 43979), (597, 42211), (663, 38009), (2483, 10149), (2587, 9741), (3247, 7761), (3383, 7449)]