258889389

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{467}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 383325696

約数和(自身を除く): 124436307

約数列:

[1, 3, 11, 33, 107, 157, 321, 467, 471, 1177, 1401, 1727, 3531, 5137, 5181, 15411, 16799, 49969, 50397, 73319, 149907, 184789, 219957, 549659, 554367, 806509, 1648977, 2419527, 7845133, 23535399, 86296463, 258889389]

約数ペア:

[(1, 258889389), (3, 86296463), (11, 23535399), (33, 7845133), (107, 2419527), (157, 1648977), (321, 806509), (467, 554367), (471, 549659), (1177, 219957), (1401, 184789), (1727, 149907), (3531, 73319), (5137, 50397), (5181, 49969), (15411, 16799)]