256706418

素因数分解:

$2^1\times 3^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1\times {\mathrm{1319}}^1$

素因数の和:1686

約数の個数: 32

約数和(自身を含む): 519552000

約数和(自身を除く): 262845582

約数列:

[1, 2, 3, 6, 163, 199, 326, 398, 489, 597, 978, 1194, 1319, 2638, 3957, 7914, 32437, 64874, 97311, 194622, 214997, 262481, 429994, 524962, 644991, 787443, 1289982, 1574886, 42784403, 85568806, 128353209, 256706418]

約数ペア:

[(1, 256706418), (2, 128353209), (3, 85568806), (6, 42784403), (163, 1574886), (199, 1289982), (326, 787443), (398, 644991), (489, 524962), (597, 429994), (978, 262481), (1194, 214997), (1319, 194622), (2638, 97311), (3957, 64874), (7914, 32437)]