81728752

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31727}}^1$

素因数の和:31765

約数の個数: 40

約数和(自身を含む): 188845056

約数和(自身を除く): 107116304

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 31727, 63454, 126908, 222089, 253816, 444178, 507632, 729721, 888356, 1459442, 1776712, 2918884, 3553424, 5108047, 5837768, 10216094, 11675536, 20432188, 40864376, 81728752]

約数ペア:

[(1, 81728752), (2, 40864376), (4, 20432188), (7, 11675536), (8, 10216094), (14, 5837768), (16, 5108047), (23, 3553424), (28, 2918884), (46, 1776712), (56, 1459442), (92, 888356), (112, 729721), (161, 507632), (184, 444178), (322, 253816), (368, 222089), (644, 126908), (1288, 63454), (2576, 31727)]