25205336

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 51957360

約数和(自身を除く): 26752024

約数列:

[1, 2, 4, 8, 13, 26, 52, 103, 104, 169, 181, 206, 338, 362, 412, 676, 724, 824, 1339, 1352, 1448, 2353, 2678, 4706, 5356, 9412, 10712, 17407, 18643, 18824, 30589, 34814, 37286, 61178, 69628, 74572, 122356, 139256, 149144, 242359, 244712, 484718, 969436, 1938872, 3150667, 6301334, 12602668, 25205336]

約数ペア:

[(1, 25205336), (2, 12602668), (4, 6301334), (8, 3150667), (13, 1938872), (26, 969436), (52, 484718), (103, 244712), (104, 242359), (169, 149144), (181, 139256), (206, 122356), (338, 74572), (362, 69628), (412, 61178), (676, 37286), (724, 34814), (824, 30589), (1339, 18824), (1352, 18643), (1448, 17407), (2353, 10712), (2678, 9412), (4706, 5356)]