25311208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1223}}^1$

素因数の和:1441

約数の個数: 32

約数和(自身を含む): 51408000

約数和(自身を除く): 26096792

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199, 398, 796, 1223, 1592, 2446, 2587, 4892, 5174, 9784, 10348, 15899, 20696, 31798, 63596, 127192, 243377, 486754, 973508, 1947016, 3163901, 6327802, 12655604, 25311208]

約数ペア:

[(1, 25311208), (2, 12655604), (4, 6327802), (8, 3163901), (13, 1947016), (26, 973508), (52, 486754), (104, 243377), (199, 127192), (398, 63596), (796, 31798), (1223, 20696), (1592, 15899), (2446, 10348), (2587, 9784), (4892, 5174)]