258726

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:156

約数の個数: 32

約数和(自身を含む): 580608

約数和(自身を除く): 321882

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 107, 186, 214, 321, 403, 642, 806, 1209, 1391, 2418, 2782, 3317, 4173, 6634, 8346, 9951, 19902, 43121, 86242, 129363, 258726]

約数ペア:

[(1, 258726), (2, 129363), (3, 86242), (6, 43121), (13, 19902), (26, 9951), (31, 8346), (39, 6634), (62, 4173), (78, 3317), (93, 2782), (107, 2418), (186, 1391), (214, 1209), (321, 806), (403, 642)]