12988891986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1\times {\mathrm{311}}^1$

素因数の和:804

約数の個数: 128

約数和(自身を含む): 31629312000

約数和(自身を除く): 18640420014

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 199, 263, 266, 311, 398, 399, 526, 597, 622, 789, 798, 933, 1194, 1393, 1578, 1841, 1866, 2177, 2786, 3682, 3781, 4179, 4354, 4997, 5523, 5909, 6531, 7562, 8358, 9994, 11046, 11343, 11818, 13062, 14991, 17727, 22686, 26467, 29982, 34979, 35454, 41363, 52337, 52934, 61889, 69958, 79401, 81793, 82726, 104674, 104937, 123778, 124089, 157011, 158802, 163586, 185667, 209874, 245379, 248178, 314022, 366359, 371334, 433223, 490758, 572551, 732718, 866446, 994403, 1099077, 1145102, 1175891, 1299669, 1554067, 1717653, 1988806, 2198154, 2351782, 2599338, 2983209, 3108134, 3435306, 3527673, 4662201, 5966418, 6960821, 7055346, 8231237, 9324402, 10878469, 13921642, 16276807, 16462474, 20882463, 21756938, 24693711, 32553614, 32635407, 41764926, 48830421, 49387422, 65270814, 97660842, 113937649, 227875298, 309259333, 341812947, 618518666, 683625894, 927777999, 1855555998, 2164815331, 4329630662, 6494445993, 12988891986]

約数ペア:

[(1, 12988891986), (2, 6494445993), (3, 4329630662), (6, 2164815331), (7, 1855555998), (14, 927777999), (19, 683625894), (21, 618518666), (38, 341812947), (42, 309259333), (57, 227875298), (114, 113937649), (133, 97660842), (199, 65270814), (263, 49387422), (266, 48830421), (311, 41764926), (398, 32635407), (399, 32553614), (526, 24693711), (597, 21756938), (622, 20882463), (789, 16462474), (798, 16276807), (933, 13921642), (1194, 10878469), (1393, 9324402), (1578, 8231237), (1841, 7055346), (1866, 6960821), (2177, 5966418), (2786, 4662201), (3682, 3527673), (3781, 3435306), (4179, 3108134), (4354, 2983209), (4997, 2599338), (5523, 2351782), (5909, 2198154), (6531, 1988806), (7562, 1717653), (8358, 1554067), (9994, 1299669), (11046, 1175891), (11343, 1145102), (11818, 1099077), (13062, 994403), (14991, 866446), (17727, 732718), (22686, 572551), (26467, 490758), (29982, 433223), (34979, 371334), (35454, 366359), (41363, 314022), (52337, 248178), (52934, 245379), (61889, 209874), (69958, 185667), (79401, 163586), (81793, 158802), (82726, 157011), (104674, 124089), (104937, 123778)]