78239868

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{491}}^1$

素因数の和:783

約数の個数: 72

約数和(自身を含む): 213583104

約数和(自身を除く): 135343236

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 271, 294, 491, 542, 588, 813, 982, 1084, 1473, 1626, 1897, 1964, 2946, 3252, 3437, 3794, 5691, 5892, 6874, 7588, 10311, 11382, 13279, 13748, 20622, 22764, 24059, 26558, 39837, 41244, 48118, 53116, 72177, 79674, 96236, 133061, 144354, 159348, 266122, 288708, 399183, 532244, 798366, 931427, 1596732, 1862854, 2794281, 3725708, 5588562, 6519989, 11177124, 13039978, 19559967, 26079956, 39119934, 78239868]

約数ペア:

[(1, 78239868), (2, 39119934), (3, 26079956), (4, 19559967), (6, 13039978), (7, 11177124), (12, 6519989), (14, 5588562), (21, 3725708), (28, 2794281), (42, 1862854), (49, 1596732), (84, 931427), (98, 798366), (147, 532244), (196, 399183), (271, 288708), (294, 266122), (491, 159348), (542, 144354), (588, 133061), (813, 96236), (982, 79674), (1084, 72177), (1473, 53116), (1626, 48118), (1897, 41244), (1964, 39837), (2946, 26558), (3252, 24059), (3437, 22764), (3794, 20622), (5691, 13748), (5892, 13279), (6874, 11382), (7588, 10311)]