81786928

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{164893}}^1$

素因数の和:164932

約数の個数: 20

約数和(自身を含む): 163574848

約数和(自身を除く): 81787920

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 164893, 329786, 659572, 1319144, 2638288, 5111683, 10223366, 20446732, 40893464, 81786928]

約数ペア:

[(1, 81786928), (2, 40893464), (4, 20446732), (8, 10223366), (16, 5111683), (31, 2638288), (62, 1319144), (124, 659572), (248, 329786), (496, 164893)]