6640284

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:535

約数の個数: 72

約数和(自身を含む): 18845568

約数和(自身を除く): 12205284

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 49, 69, 84, 92, 98, 138, 147, 161, 196, 276, 294, 322, 483, 491, 588, 644, 966, 982, 1127, 1473, 1932, 1964, 2254, 2946, 3381, 3437, 4508, 5892, 6762, 6874, 10311, 11293, 13524, 13748, 20622, 22586, 24059, 33879, 41244, 45172, 48118, 67758, 72177, 79051, 96236, 135516, 144354, 158102, 237153, 288708, 316204, 474306, 553357, 948612, 1106714, 1660071, 2213428, 3320142, 6640284]

約数ペア:

[(1, 6640284), (2, 3320142), (3, 2213428), (4, 1660071), (6, 1106714), (7, 948612), (12, 553357), (14, 474306), (21, 316204), (23, 288708), (28, 237153), (42, 158102), (46, 144354), (49, 135516), (69, 96236), (84, 79051), (92, 72177), (98, 67758), (138, 48118), (147, 45172), (161, 41244), (196, 33879), (276, 24059), (294, 22586), (322, 20622), (483, 13748), (491, 13524), (588, 11293), (644, 10311), (966, 6874), (982, 6762), (1127, 5892), (1473, 4508), (1932, 3437), (1964, 3381), (2254, 2946)]