257836866

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{12503}}^1$

素因数の和:13006

約数の個数: 32

約数和(自身を含む): 590588928

約数和(自身を除く): 332752062

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 491, 982, 1473, 2946, 3437, 6874, 10311, 12503, 20622, 25006, 37509, 75018, 87521, 175042, 262563, 525126, 6138973, 12277946, 18416919, 36833838, 42972811, 85945622, 128918433, 257836866]

約数ペア:

[(1, 257836866), (2, 128918433), (3, 85945622), (6, 42972811), (7, 36833838), (14, 18416919), (21, 12277946), (42, 6138973), (491, 525126), (982, 262563), (1473, 175042), (2946, 87521), (3437, 75018), (6874, 37509), (10311, 25006), (12503, 20622)]