638019648

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{691}}^1$

素因数の和:945

約数の個数: 168

約数和(自身を含む): 2102185280

約数和(自身を除く): 1464165632

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 144, 168, 192, 224, 229, 252, 288, 336, 448, 458, 504, 576, 672, 687, 691, 916, 1008, 1344, 1374, 1382, 1603, 1832, 2016, 2061, 2073, 2748, 2764, 3206, 3664, 4032, 4122, 4146, 4809, 4837, 5496, 5528, 6219, 6412, 7328, 8244, 8292, 9618, 9674, 10992, 11056, 12438, 12824, 14427, 14511, 14656, 16488, 16584, 19236, 19348, 21984, 22112, 24876, 25648, 28854, 29022, 32976, 33168, 38472, 38696, 43533, 43968, 44224, 49752, 51296, 57708, 58044, 65952, 66336, 76944, 77392, 87066, 99504, 102592, 115416, 116088, 131904, 132672, 153888, 154784, 158239, 174132, 199008, 230832, 232176, 307776, 309568, 316478, 348264, 398016, 461664, 464352, 474717, 632956, 696528, 923328, 928704, 949434, 1107673, 1265912, 1393056, 1424151, 1898868, 2215346, 2531824, 2786112, 2848302, 3323019, 3797736, 4430692, 5063648, 5696604, 6646038, 7595472, 8861384, 9969057, 10127296, 11393208, 13292076, 15190944, 17722768, 19938114, 22786416, 26584152, 30381888, 35445536, 39876228, 45572832, 53168304, 70891072, 79752456, 91145664, 106336608, 159504912, 212673216, 319009824, 638019648]

約数ペア:

[(1, 638019648), (2, 319009824), (3, 212673216), (4, 159504912), (6, 106336608), (7, 91145664), (8, 79752456), (9, 70891072), (12, 53168304), (14, 45572832), (16, 39876228), (18, 35445536), (21, 30381888), (24, 26584152), (28, 22786416), (32, 19938114), (36, 17722768), (42, 15190944), (48, 13292076), (56, 11393208), (63, 10127296), (64, 9969057), (72, 8861384), (84, 7595472), (96, 6646038), (112, 5696604), (126, 5063648), (144, 4430692), (168, 3797736), (192, 3323019), (224, 2848302), (229, 2786112), (252, 2531824), (288, 2215346), (336, 1898868), (448, 1424151), (458, 1393056), (504, 1265912), (576, 1107673), (672, 949434), (687, 928704), (691, 923328), (916, 696528), (1008, 632956), (1344, 474717), (1374, 464352), (1382, 461664), (1603, 398016), (1832, 348264), (2016, 316478), (2061, 309568), (2073, 307776), (2748, 232176), (2764, 230832), (3206, 199008), (3664, 174132), (4032, 158239), (4122, 154784), (4146, 153888), (4809, 132672), (4837, 131904), (5496, 116088), (5528, 115416), (6219, 102592), (6412, 99504), (7328, 87066), (8244, 77392), (8292, 76944), (9618, 66336), (9674, 65952), (10992, 58044), (11056, 57708), (12438, 51296), (12824, 49752), (14427, 44224), (14511, 43968), (14656, 43533), (16488, 38696), (16584, 38472), (19236, 33168), (19348, 32976), (21984, 29022), (22112, 28854), (24876, 25648)]