25209008

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3331}}^1$

素因数の和:3393

約数の個数: 40

約数和(自身を含む): 54538176

約数和(自身を除く): 29329168

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 3331, 3784, 6662, 7568, 13324, 26648, 36641, 53296, 73282, 143233, 146564, 286466, 293128, 572932, 586256, 1145864, 1575563, 2291728, 3151126, 6302252, 12604504, 25209008]

約数ペア:

[(1, 25209008), (2, 12604504), (4, 6302252), (8, 3151126), (11, 2291728), (16, 1575563), (22, 1145864), (43, 586256), (44, 572932), (86, 293128), (88, 286466), (172, 146564), (176, 143233), (344, 73282), (473, 53296), (688, 36641), (946, 26648), (1892, 13324), (3331, 7568), (3784, 6662)]