25408336

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{857}}^1$

素因数の和:991

約数の個数: 40

約数和(自身を含む): 52664040

約数和(自身を除く): 27255704

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 109, 136, 218, 272, 436, 857, 872, 1714, 1744, 1853, 3428, 3706, 6856, 7412, 13712, 14569, 14824, 29138, 29648, 58276, 93413, 116552, 186826, 233104, 373652, 747304, 1494608, 1588021, 3176042, 6352084, 12704168, 25408336]

約数ペア:

[(1, 25408336), (2, 12704168), (4, 6352084), (8, 3176042), (16, 1588021), (17, 1494608), (34, 747304), (68, 373652), (109, 233104), (136, 186826), (218, 116552), (272, 93413), (436, 58276), (857, 29648), (872, 29138), (1714, 14824), (1744, 14569), (1853, 13712), (3428, 7412), (3706, 6856)]