158760784

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:493

約数の個数: 120

約数和(自身を含む): 396698568

約数和(自身を除く): 237937784

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 37, 49, 52, 56, 74, 91, 98, 104, 112, 148, 182, 196, 208, 259, 296, 364, 392, 421, 481, 518, 592, 637, 728, 784, 842, 962, 1036, 1274, 1456, 1684, 1813, 1924, 2072, 2548, 2947, 3367, 3368, 3626, 3848, 4144, 5096, 5473, 5894, 6734, 6736, 7252, 7696, 10192, 10946, 11788, 13468, 14504, 15577, 20629, 21892, 23569, 23576, 26936, 29008, 31154, 38311, 41258, 43784, 47138, 47152, 53872, 62308, 76622, 82516, 87568, 94276, 109039, 124616, 153244, 165032, 188552, 202501, 218078, 249232, 268177, 306488, 330064, 377104, 405002, 436156, 536354, 612976, 763273, 810004, 872312, 1072708, 1417507, 1526546, 1620008, 1744624, 2145416, 2835014, 3053092, 3240016, 4290832, 5670028, 6106184, 9922549, 11340056, 12212368, 19845098, 22680112, 39690196, 79380392, 158760784]

約数ペア:

[(1, 158760784), (2, 79380392), (4, 39690196), (7, 22680112), (8, 19845098), (13, 12212368), (14, 11340056), (16, 9922549), (26, 6106184), (28, 5670028), (37, 4290832), (49, 3240016), (52, 3053092), (56, 2835014), (74, 2145416), (91, 1744624), (98, 1620008), (104, 1526546), (112, 1417507), (148, 1072708), (182, 872312), (196, 810004), (208, 763273), (259, 612976), (296, 536354), (364, 436156), (392, 405002), (421, 377104), (481, 330064), (518, 306488), (592, 268177), (637, 249232), (728, 218078), (784, 202501), (842, 188552), (962, 165032), (1036, 153244), (1274, 124616), (1456, 109039), (1684, 94276), (1813, 87568), (1924, 82516), (2072, 76622), (2548, 62308), (2947, 53872), (3367, 47152), (3368, 47138), (3626, 43784), (3848, 41258), (4144, 38311), (5096, 31154), (5473, 29008), (5894, 26936), (6734, 23576), (6736, 23569), (7252, 21892), (7696, 20629), (10192, 15577), (10946, 14504), (11788, 13468)]