81795856

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{164911}}^1$

素因数の和:164950

約数の個数: 20

約数和(自身を含む): 163592704

約数和(自身を除く): 81796848

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 164911, 329822, 659644, 1319288, 2638576, 5112241, 10224482, 20448964, 40897928, 81795856]

約数ペア:

[(1, 81795856), (2, 40897928), (4, 20448964), (8, 10224482), (16, 5112241), (31, 2638576), (62, 1319288), (124, 659644), (248, 329822), (496, 164911)]