2660994

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{431}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 6739200

約数和(自身を除く): 4078206

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 431, 441, 686, 862, 882, 1029, 1293, 2058, 2586, 3017, 3087, 3879, 6034, 6174, 7758, 9051, 18102, 21119, 27153, 42238, 54306, 63357, 126714, 147833, 190071, 295666, 380142, 443499, 886998, 1330497, 2660994]

約数ペア:

[(1, 2660994), (2, 1330497), (3, 886998), (6, 443499), (7, 380142), (9, 295666), (14, 190071), (18, 147833), (21, 126714), (42, 63357), (49, 54306), (63, 42238), (98, 27153), (126, 21119), (147, 18102), (294, 9051), (343, 7758), (431, 6174), (441, 6034), (686, 3879), (862, 3087), (882, 3017), (1029, 2586), (1293, 2058)]