2787708

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{431}}^1$

素因数の和:463

約数の個数: 72

約数和(自身を含む): 8273664

約数和(自身を除く): 5485956

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 132, 147, 154, 196, 231, 294, 308, 431, 462, 539, 588, 862, 924, 1078, 1293, 1617, 1724, 2156, 2586, 3017, 3234, 4741, 5172, 6034, 6468, 9051, 9482, 12068, 14223, 18102, 18964, 21119, 28446, 33187, 36204, 42238, 56892, 63357, 66374, 84476, 99561, 126714, 132748, 199122, 232309, 253428, 398244, 464618, 696927, 929236, 1393854, 2787708]

約数ペア:

[(1, 2787708), (2, 1393854), (3, 929236), (4, 696927), (6, 464618), (7, 398244), (11, 253428), (12, 232309), (14, 199122), (21, 132748), (22, 126714), (28, 99561), (33, 84476), (42, 66374), (44, 63357), (49, 56892), (66, 42238), (77, 36204), (84, 33187), (98, 28446), (132, 21119), (147, 18964), (154, 18102), (196, 14223), (231, 12068), (294, 9482), (308, 9051), (431, 6468), (462, 6034), (539, 5172), (588, 4741), (862, 3234), (924, 3017), (1078, 2586), (1293, 2156), (1617, 1724)]