81006864

素因数分解:

$2^4\times 3^1\times {\mathrm{1687643}}^1$

素因数の和:1687654

約数の個数: 20

約数和(自身を含む): 209267856

約数和(自身を除く): 128260992

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1687643, 3375286, 5062929, 6750572, 10125858, 13501144, 20251716, 27002288, 40503432, 81006864]

約数ペア:

[(1, 81006864), (2, 40503432), (3, 27002288), (4, 20251716), (6, 13501144), (8, 10125858), (12, 6750572), (16, 5062929), (24, 3375286), (48, 1687643)]