81631888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{9127}}^1$

素因数の和:9191

約数の個数: 40

約数和(自身を含む): 174308288

約数和(自身を除く): 92676400

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 9127, 18254, 36508, 73016, 118651, 146032, 237302, 392461, 474604, 784922, 949208, 1569844, 1898416, 3139688, 5101993, 6279376, 10203986, 20407972, 40815944, 81631888]

約数ペア:

[(1, 81631888), (2, 40815944), (4, 20407972), (8, 10203986), (13, 6279376), (16, 5101993), (26, 3139688), (43, 1898416), (52, 1569844), (86, 949208), (104, 784922), (172, 474604), (208, 392461), (344, 237302), (559, 146032), (688, 118651), (1118, 73016), (2236, 36508), (4472, 18254), (8944, 9127)]