1284125906

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1427}}^1$

素因数の和:1671

約数の個数: 64

約数和(自身を含む): 2467584000

約数和(自身を除く): 1183458094

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 199, 238, 266, 323, 398, 646, 1393, 1427, 2261, 2786, 2854, 3383, 3781, 4522, 6766, 7562, 9989, 19978, 23681, 24259, 26467, 27113, 47362, 48518, 52934, 54226, 64277, 128554, 169813, 189791, 283973, 339626, 379582, 449939, 460921, 567946, 899878, 921842, 1987811, 3226447, 3975622, 4827541, 5395487, 6452894, 9655082, 10790974, 33792787, 37768409, 67585574, 75536818, 91723279, 183446558, 642062953, 1284125906]

約数ペア:

[(1, 1284125906), (2, 642062953), (7, 183446558), (14, 91723279), (17, 75536818), (19, 67585574), (34, 37768409), (38, 33792787), (119, 10790974), (133, 9655082), (199, 6452894), (238, 5395487), (266, 4827541), (323, 3975622), (398, 3226447), (646, 1987811), (1393, 921842), (1427, 899878), (2261, 567946), (2786, 460921), (2854, 449939), (3383, 379582), (3781, 339626), (4522, 283973), (6766, 189791), (7562, 169813), (9989, 128554), (19978, 64277), (23681, 54226), (24259, 52934), (26467, 48518), (27113, 47362)]