556887968

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{199}}^1$

素因数の和:291

約数の個数: 144

約数和(自身を含む): 1401321600

約数和(自身を除く): 844433632

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 91, 104, 112, 124, 182, 199, 208, 217, 224, 248, 364, 398, 403, 416, 434, 496, 728, 796, 806, 868, 961, 992, 1393, 1456, 1592, 1612, 1736, 1922, 2587, 2786, 2821, 2912, 3184, 3224, 3472, 3844, 5174, 5572, 5642, 6169, 6368, 6448, 6727, 6944, 7688, 10348, 11144, 11284, 12338, 12493, 12896, 13454, 15376, 18109, 20696, 22288, 22568, 24676, 24986, 26908, 30752, 36218, 41392, 43183, 44576, 45136, 49352, 49972, 53816, 72436, 80197, 82784, 86366, 87451, 90272, 98704, 99944, 107632, 144872, 160394, 172732, 174902, 191239, 197408, 199888, 215264, 289744, 320788, 345464, 349804, 382478, 399776, 561379, 579488, 641576, 690928, 699608, 764956, 1122758, 1283152, 1338673, 1381856, 1399216, 1529912, 2245516, 2486107, 2566304, 2677346, 2798432, 3059824, 4491032, 4972214, 5354692, 6119648, 8982064, 9944428, 10709384, 17402749, 17964128, 19888856, 21418768, 34805498, 39777712, 42837536, 69610996, 79555424, 139221992, 278443984, 556887968]

約数ペア:

[(1, 556887968), (2, 278443984), (4, 139221992), (7, 79555424), (8, 69610996), (13, 42837536), (14, 39777712), (16, 34805498), (26, 21418768), (28, 19888856), (31, 17964128), (32, 17402749), (52, 10709384), (56, 9944428), (62, 8982064), (91, 6119648), (104, 5354692), (112, 4972214), (124, 4491032), (182, 3059824), (199, 2798432), (208, 2677346), (217, 2566304), (224, 2486107), (248, 2245516), (364, 1529912), (398, 1399216), (403, 1381856), (416, 1338673), (434, 1283152), (496, 1122758), (728, 764956), (796, 699608), (806, 690928), (868, 641576), (961, 579488), (992, 561379), (1393, 399776), (1456, 382478), (1592, 349804), (1612, 345464), (1736, 320788), (1922, 289744), (2587, 215264), (2786, 199888), (2821, 197408), (2912, 191239), (3184, 174902), (3224, 172732), (3472, 160394), (3844, 144872), (5174, 107632), (5572, 99944), (5642, 98704), (6169, 90272), (6368, 87451), (6448, 86366), (6727, 82784), (6944, 80197), (7688, 72436), (10348, 53816), (11144, 49972), (11284, 49352), (12338, 45136), (12493, 44576), (12896, 43183), (13454, 41392), (15376, 36218), (18109, 30752), (20696, 26908), (22288, 24986), (22568, 24676)]