51781392

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:365

約数の個数: 120

約数和(自身を含む): 157976000

約数和(自身を除く): 106194608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 139, 144, 156, 199, 208, 234, 278, 312, 398, 417, 468, 556, 597, 624, 796, 834, 936, 1112, 1194, 1251, 1592, 1668, 1791, 1807, 1872, 2224, 2388, 2502, 2587, 3184, 3336, 3582, 3614, 4776, 5004, 5174, 5421, 6672, 7164, 7228, 7761, 9552, 10008, 10348, 10842, 14328, 14456, 15522, 16263, 20016, 20696, 21684, 23283, 27661, 28656, 28912, 31044, 32526, 41392, 43368, 46566, 55322, 62088, 65052, 82983, 86736, 93132, 110644, 124176, 130104, 165966, 186264, 221288, 248949, 260208, 331932, 359593, 372528, 442576, 497898, 663864, 719186, 995796, 1078779, 1327728, 1438372, 1991592, 2157558, 2876744, 3236337, 3983184, 4315116, 5753488, 6472674, 8630232, 12945348, 17260464, 25890696, 51781392]

約数ペア:

[(1, 51781392), (2, 25890696), (3, 17260464), (4, 12945348), (6, 8630232), (8, 6472674), (9, 5753488), (12, 4315116), (13, 3983184), (16, 3236337), (18, 2876744), (24, 2157558), (26, 1991592), (36, 1438372), (39, 1327728), (48, 1078779), (52, 995796), (72, 719186), (78, 663864), (104, 497898), (117, 442576), (139, 372528), (144, 359593), (156, 331932), (199, 260208), (208, 248949), (234, 221288), (278, 186264), (312, 165966), (398, 130104), (417, 124176), (468, 110644), (556, 93132), (597, 86736), (624, 82983), (796, 65052), (834, 62088), (936, 55322), (1112, 46566), (1194, 43368), (1251, 41392), (1592, 32526), (1668, 31044), (1791, 28912), (1807, 28656), (1872, 27661), (2224, 23283), (2388, 21684), (2502, 20696), (2587, 20016), (3184, 16263), (3336, 15522), (3582, 14456), (3614, 14328), (4776, 10842), (5004, 10348), (5174, 10008), (5421, 9552), (6672, 7761), (7164, 7228)]