641142208

素因数分解:

$2^6\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{809}}^1$

素因数の和:918

約数の個数: 112

約数和(自身を含む): 1530705600

約数和(自身を除く): 889563392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 61, 64, 112, 116, 122, 203, 224, 232, 244, 406, 427, 448, 464, 488, 809, 812, 854, 928, 976, 1618, 1624, 1708, 1769, 1856, 1952, 3236, 3248, 3416, 3538, 3904, 5663, 6472, 6496, 6832, 7076, 11326, 12383, 12944, 12992, 13664, 14152, 22652, 23461, 24766, 25888, 27328, 28304, 45304, 46922, 49349, 49532, 51776, 56608, 90608, 93844, 98698, 99064, 113216, 164227, 181216, 187688, 197396, 198128, 328454, 345443, 362432, 375376, 394792, 396256, 656908, 690886, 750752, 789584, 792512, 1313816, 1381772, 1431121, 1501504, 1579168, 2627632, 2763544, 2862242, 3158336, 5255264, 5527088, 5724484, 10017847, 10510528, 11054176, 11448968, 20035694, 22108352, 22897936, 40071388, 45795872, 80142776, 91591744, 160285552, 320571104, 641142208]

約数ペア:

[(1, 641142208), (2, 320571104), (4, 160285552), (7, 91591744), (8, 80142776), (14, 45795872), (16, 40071388), (28, 22897936), (29, 22108352), (32, 20035694), (56, 11448968), (58, 11054176), (61, 10510528), (64, 10017847), (112, 5724484), (116, 5527088), (122, 5255264), (203, 3158336), (224, 2862242), (232, 2763544), (244, 2627632), (406, 1579168), (427, 1501504), (448, 1431121), (464, 1381772), (488, 1313816), (809, 792512), (812, 789584), (854, 750752), (928, 690886), (976, 656908), (1618, 396256), (1624, 394792), (1708, 375376), (1769, 362432), (1856, 345443), (1952, 328454), (3236, 198128), (3248, 197396), (3416, 187688), (3538, 181216), (3904, 164227), (5663, 113216), (6472, 99064), (6496, 98698), (6832, 93844), (7076, 90608), (11326, 56608), (12383, 51776), (12944, 49532), (12992, 49349), (13664, 46922), (14152, 45304), (22652, 28304), (23461, 27328), (24766, 25888)]