268525621

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 354170880

約数和(自身を除く): 85645259

約数列:

[1, 7, 13, 23, 71, 91, 139, 161, 169, 299, 497, 923, 973, 1183, 1633, 1807, 2093, 3197, 3887, 6461, 9869, 11431, 11999, 12649, 21229, 22379, 23491, 27209, 41561, 69083, 83993, 128297, 148603, 164437, 226987, 275977, 290927, 540293, 898079, 1588909, 1667861, 1931839, 2950831, 3782051, 11675027, 20655817, 38360803, 268525621]

約数ペア:

[(1, 268525621), (7, 38360803), (13, 20655817), (23, 11675027), (71, 3782051), (91, 2950831), (139, 1931839), (161, 1667861), (169, 1588909), (299, 898079), (497, 540293), (923, 290927), (973, 275977), (1183, 226987), (1633, 164437), (1807, 148603), (2093, 128297), (3197, 83993), (3887, 69083), (6461, 41561), (9869, 27209), (11431, 23491), (11999, 22379), (12649, 21229)]