771987328

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:508

約数の個数: 128

約数和(自身を含む): 1869292800

約数和(自身を除く): 1097305472

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 137, 152, 224, 266, 274, 304, 331, 448, 532, 548, 608, 662, 896, 959, 1064, 1096, 1216, 1324, 1918, 2128, 2192, 2317, 2432, 2603, 2648, 3836, 4256, 4384, 4634, 5206, 5296, 6289, 7672, 8512, 8768, 9268, 10412, 10592, 12578, 15344, 17024, 17536, 18221, 18536, 20824, 21184, 25156, 30688, 36442, 37072, 41648, 42368, 44023, 45347, 50312, 61376, 72884, 74144, 83296, 88046, 90694, 100624, 122752, 145768, 148288, 166592, 176092, 181388, 201248, 291536, 296576, 317429, 333184, 352184, 362776, 402496, 583072, 634858, 704368, 725552, 804992, 861593, 1166144, 1269716, 1408736, 1451104, 1723186, 2332288, 2539432, 2817472, 2902208, 3446372, 5078864, 5634944, 5804416, 6031151, 6892744, 10157728, 12062302, 13785488, 20315456, 24124604, 27570976, 40630912, 48249208, 55141952, 96498416, 110283904, 192996832, 385993664, 771987328]

約数ペア:

[(1, 771987328), (2, 385993664), (4, 192996832), (7, 110283904), (8, 96498416), (14, 55141952), (16, 48249208), (19, 40630912), (28, 27570976), (32, 24124604), (38, 20315456), (56, 13785488), (64, 12062302), (76, 10157728), (112, 6892744), (128, 6031151), (133, 5804416), (137, 5634944), (152, 5078864), (224, 3446372), (266, 2902208), (274, 2817472), (304, 2539432), (331, 2332288), (448, 1723186), (532, 1451104), (548, 1408736), (608, 1269716), (662, 1166144), (896, 861593), (959, 804992), (1064, 725552), (1096, 704368), (1216, 634858), (1324, 583072), (1918, 402496), (2128, 362776), (2192, 352184), (2317, 333184), (2432, 317429), (2603, 296576), (2648, 291536), (3836, 201248), (4256, 181388), (4384, 176092), (4634, 166592), (5206, 148288), (5296, 145768), (6289, 122752), (7672, 100624), (8512, 90694), (8768, 88046), (9268, 83296), (10412, 74144), (10592, 72884), (12578, 61376), (15344, 50312), (17024, 45347), (17536, 44023), (18221, 42368), (18536, 41648), (20824, 37072), (21184, 36442), (25156, 30688)]