2749698

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:311

約数の個数: 48

約数和(自身を含む): 6901440

約数和(自身を除く): 4151742

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 139, 157, 278, 314, 417, 471, 834, 942, 973, 1099, 1251, 1413, 1946, 2198, 2502, 2826, 2919, 3297, 5838, 6594, 8757, 9891, 17514, 19782, 21823, 43646, 65469, 130938, 152761, 196407, 305522, 392814, 458283, 916566, 1374849, 2749698]

約数ペア:

[(1, 2749698), (2, 1374849), (3, 916566), (6, 458283), (7, 392814), (9, 305522), (14, 196407), (18, 152761), (21, 130938), (42, 65469), (63, 43646), (126, 21823), (139, 19782), (157, 17514), (278, 9891), (314, 8757), (417, 6594), (471, 5838), (834, 3297), (942, 2919), (973, 2826), (1099, 2502), (1251, 2198), (1413, 1946)]