7980714

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 20782080

約数和(自身を除く): 12801366

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 54, 63, 86, 126, 129, 189, 258, 301, 378, 387, 491, 602, 774, 903, 982, 1161, 1473, 1806, 2322, 2709, 2946, 3437, 4419, 5418, 6874, 8127, 8838, 10311, 13257, 16254, 20622, 21113, 26514, 30933, 42226, 61866, 63339, 92799, 126678, 147791, 185598, 190017, 295582, 380034, 443373, 570051, 886746, 1140102, 1330119, 2660238, 3990357, 7980714]

約数ペア:

[(1, 7980714), (2, 3990357), (3, 2660238), (6, 1330119), (7, 1140102), (9, 886746), (14, 570051), (18, 443373), (21, 380034), (27, 295582), (42, 190017), (43, 185598), (54, 147791), (63, 126678), (86, 92799), (126, 63339), (129, 61866), (189, 42226), (258, 30933), (301, 26514), (378, 21113), (387, 20622), (491, 16254), (602, 13257), (774, 10311), (903, 8838), (982, 8127), (1161, 6874), (1473, 5418), (1806, 4419), (2322, 3437), (2709, 2946)]