401529856

素因数分解:

$2^{10}\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:210

約数の個数: 176

約数和(自身を含む): 1027102720

約数和(自身を除く): 625572864

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 128, 139, 182, 208, 217, 224, 248, 256, 278, 364, 403, 416, 434, 448, 496, 512, 556, 728, 806, 832, 868, 896, 973, 992, 1024, 1112, 1456, 1612, 1664, 1736, 1792, 1807, 1946, 1984, 2224, 2821, 2912, 3224, 3328, 3472, 3584, 3614, 3892, 3968, 4309, 4448, 5642, 5824, 6448, 6656, 6944, 7168, 7228, 7784, 7936, 8618, 8896, 11284, 11648, 12649, 12896, 13312, 13888, 14456, 15568, 15872, 17236, 17792, 22568, 23296, 25298, 25792, 27776, 28912, 30163, 31136, 31744, 34472, 35584, 45136, 46592, 50596, 51584, 55552, 56017, 57824, 60326, 62272, 68944, 71168, 90272, 93184, 101192, 103168, 111104, 112034, 115648, 120652, 124544, 137888, 142336, 180544, 202384, 206336, 222208, 224068, 231296, 241304, 249088, 275776, 361088, 392119, 404768, 412672, 448136, 462592, 482608, 498176, 551552, 722176, 784238, 809536, 896272, 925184, 965216, 996352, 1103104, 1444352, 1568476, 1619072, 1792544, 1850368, 1930432, 2206208, 2888704, 3136952, 3238144, 3585088, 3860864, 4412416, 6273904, 6476288, 7170176, 7721728, 12547808, 12952576, 14340352, 15443456, 25095616, 28680704, 30886912, 50191232, 57361408, 100382464, 200764928, 401529856]

約数ペア:

[(1, 401529856), (2, 200764928), (4, 100382464), (7, 57361408), (8, 50191232), (13, 30886912), (14, 28680704), (16, 25095616), (26, 15443456), (28, 14340352), (31, 12952576), (32, 12547808), (52, 7721728), (56, 7170176), (62, 6476288), (64, 6273904), (91, 4412416), (104, 3860864), (112, 3585088), (124, 3238144), (128, 3136952), (139, 2888704), (182, 2206208), (208, 1930432), (217, 1850368), (224, 1792544), (248, 1619072), (256, 1568476), (278, 1444352), (364, 1103104), (403, 996352), (416, 965216), (434, 925184), (448, 896272), (496, 809536), (512, 784238), (556, 722176), (728, 551552), (806, 498176), (832, 482608), (868, 462592), (896, 448136), (973, 412672), (992, 404768), (1024, 392119), (1112, 361088), (1456, 275776), (1612, 249088), (1664, 241304), (1736, 231296), (1792, 224068), (1807, 222208), (1946, 206336), (1984, 202384), (2224, 180544), (2821, 142336), (2912, 137888), (3224, 124544), (3328, 120652), (3472, 115648), (3584, 112034), (3614, 111104), (3892, 103168), (3968, 101192), (4309, 93184), (4448, 90272), (5642, 71168), (5824, 68944), (6448, 62272), (6656, 60326), (6944, 57824), (7168, 56017), (7228, 55552), (7784, 51584), (7936, 50596), (8618, 46592), (8896, 45136), (11284, 35584), (11648, 34472), (12649, 31744), (12896, 31136), (13312, 30163), (13888, 28912), (14456, 27776), (15568, 25792), (15872, 25298), (17236, 23296), (17792, 22568)]