7887138

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 18577440

約数和(自身を除く): 10690302

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 139, 147, 193, 278, 294, 386, 417, 579, 834, 973, 1158, 1351, 1946, 2702, 2919, 4053, 5838, 6811, 8106, 9457, 13622, 18914, 20433, 26827, 28371, 40866, 53654, 56742, 80481, 160962, 187789, 375578, 563367, 1126734, 1314523, 2629046, 3943569, 7887138]

約数ペア:

[(1, 7887138), (2, 3943569), (3, 2629046), (6, 1314523), (7, 1126734), (14, 563367), (21, 375578), (42, 187789), (49, 160962), (98, 80481), (139, 56742), (147, 53654), (193, 40866), (278, 28371), (294, 26827), (386, 20433), (417, 18914), (579, 13622), (834, 9457), (973, 8106), (1158, 6811), (1351, 5838), (1946, 4053), (2702, 2919)]