211319888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{23627}}^1$

素因数の和:23691

約数の個数: 40

約数和(自身を含む): 451200288

約数和(自身を除く): 239880400

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 23627, 47254, 94508, 189016, 307151, 378032, 614302, 1015961, 1228604, 2031922, 2457208, 4063844, 4914416, 8127688, 13207493, 16255376, 26414986, 52829972, 105659944, 211319888]

約数ペア:

[(1, 211319888), (2, 105659944), (4, 52829972), (8, 26414986), (13, 16255376), (16, 13207493), (26, 8127688), (43, 4914416), (52, 4063844), (86, 2457208), (104, 2031922), (172, 1228604), (208, 1015961), (344, 614302), (559, 378032), (688, 307151), (1118, 189016), (2236, 94508), (4472, 47254), (8944, 23627)]