664097728

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1279}}^1$

素因数の和:1378

約数の個数: 112

約数和(自身を含む): 1612595200

約数和(自身を除く): 948497472

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 61, 64, 76, 112, 122, 133, 152, 224, 244, 266, 304, 427, 448, 488, 532, 608, 854, 976, 1064, 1159, 1216, 1279, 1708, 1952, 2128, 2318, 2558, 3416, 3904, 4256, 4636, 5116, 6832, 8113, 8512, 8953, 9272, 10232, 13664, 16226, 17906, 18544, 20464, 24301, 27328, 32452, 35812, 37088, 40928, 48602, 64904, 71624, 74176, 78019, 81856, 97204, 129808, 143248, 156038, 170107, 194408, 259616, 286496, 312076, 340214, 388816, 519232, 546133, 572992, 624152, 680428, 777632, 1092266, 1248304, 1360856, 1482361, 1555264, 2184532, 2496608, 2721712, 2964722, 4369064, 4993216, 5443424, 5929444, 8738128, 10376527, 10886848, 11858888, 17476256, 20753054, 23717776, 34952512, 41506108, 47435552, 83012216, 94871104, 166024432, 332048864, 664097728]

約数ペア:

[(1, 664097728), (2, 332048864), (4, 166024432), (7, 94871104), (8, 83012216), (14, 47435552), (16, 41506108), (19, 34952512), (28, 23717776), (32, 20753054), (38, 17476256), (56, 11858888), (61, 10886848), (64, 10376527), (76, 8738128), (112, 5929444), (122, 5443424), (133, 4993216), (152, 4369064), (224, 2964722), (244, 2721712), (266, 2496608), (304, 2184532), (427, 1555264), (448, 1482361), (488, 1360856), (532, 1248304), (608, 1092266), (854, 777632), (976, 680428), (1064, 624152), (1159, 572992), (1216, 546133), (1279, 519232), (1708, 388816), (1952, 340214), (2128, 312076), (2318, 286496), (2558, 259616), (3416, 194408), (3904, 170107), (4256, 156038), (4636, 143248), (5116, 129808), (6832, 97204), (8113, 81856), (8512, 78019), (8953, 74176), (9272, 71624), (10232, 64904), (13664, 48602), (16226, 40928), (17906, 37088), (18544, 35812), (20464, 32452), (24301, 27328)]