161045248

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 410238976

約数和(自身を除く): 249193728

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 128, 182, 208, 217, 223, 224, 248, 256, 364, 403, 416, 434, 446, 448, 496, 728, 806, 832, 868, 892, 896, 992, 1456, 1561, 1612, 1664, 1736, 1784, 1792, 1984, 2821, 2899, 2912, 3122, 3224, 3328, 3472, 3568, 3968, 5642, 5798, 5824, 6244, 6448, 6913, 6944, 7136, 7936, 11284, 11596, 11648, 12488, 12896, 13826, 13888, 14272, 20293, 22568, 23192, 23296, 24976, 25792, 27652, 27776, 28544, 40586, 45136, 46384, 48391, 49952, 51584, 55304, 55552, 57088, 81172, 89869, 90272, 92768, 96782, 99904, 103168, 110608, 162344, 179738, 180544, 185536, 193564, 199808, 221216, 324688, 359476, 361088, 371072, 387128, 399616, 442432, 629083, 649376, 718952, 722176, 742144, 774256, 884864, 1258166, 1298752, 1437904, 1548512, 1769728, 2516332, 2597504, 2875808, 3097024, 5032664, 5195008, 5751616, 6194048, 10065328, 11503232, 12388096, 20130656, 23006464, 40261312, 80522624, 161045248]

約数ペア:

[(1, 161045248), (2, 80522624), (4, 40261312), (7, 23006464), (8, 20130656), (13, 12388096), (14, 11503232), (16, 10065328), (26, 6194048), (28, 5751616), (31, 5195008), (32, 5032664), (52, 3097024), (56, 2875808), (62, 2597504), (64, 2516332), (91, 1769728), (104, 1548512), (112, 1437904), (124, 1298752), (128, 1258166), (182, 884864), (208, 774256), (217, 742144), (223, 722176), (224, 718952), (248, 649376), (256, 629083), (364, 442432), (403, 399616), (416, 387128), (434, 371072), (446, 361088), (448, 359476), (496, 324688), (728, 221216), (806, 199808), (832, 193564), (868, 185536), (892, 180544), (896, 179738), (992, 162344), (1456, 110608), (1561, 103168), (1612, 99904), (1664, 96782), (1736, 92768), (1784, 90272), (1792, 89869), (1984, 81172), (2821, 57088), (2899, 55552), (2912, 55304), (3122, 51584), (3224, 49952), (3328, 48391), (3472, 46384), (3568, 45136), (3968, 40586), (5642, 28544), (5798, 27776), (5824, 27652), (6244, 25792), (6448, 24976), (6913, 23296), (6944, 23192), (7136, 22568), (7936, 20293), (11284, 14272), (11596, 13888), (11648, 13826), (12488, 12896)]