81697072

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{21187}}^1$

素因数の和:21436

約数の個数: 20

約数和(自身を含む): 158952376

約数和(自身を除く): 77255304

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 21187, 42374, 84748, 169496, 338992, 5106067, 10212134, 20424268, 40848536, 81697072]

約数ペア:

[(1, 81697072), (2, 40848536), (4, 20424268), (8, 10212134), (16, 5106067), (241, 338992), (482, 169496), (964, 84748), (1928, 42374), (3856, 21187)]