681876888

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1873}}^1$

素因数の和:2097

約数の個数: 128

約数和(自身を含む): 2137259520

約数和(自身を除く): 1455382632

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 197, 231, 264, 308, 394, 462, 591, 616, 788, 924, 1182, 1379, 1576, 1848, 1873, 2167, 2364, 2758, 3746, 4137, 4334, 4728, 5516, 5619, 6501, 7492, 8274, 8668, 11032, 11238, 13002, 13111, 14984, 15169, 16548, 17336, 20603, 22476, 26004, 26222, 30338, 33096, 39333, 41206, 44952, 45507, 52008, 52444, 60676, 61809, 78666, 82412, 91014, 104888, 121352, 123618, 144221, 157332, 164824, 182028, 247236, 288442, 314664, 364056, 368981, 432663, 494472, 576884, 737962, 865326, 1106943, 1153768, 1475924, 1730652, 2213886, 2582867, 2951848, 3461304, 4058791, 4427772, 5165734, 7748601, 8117582, 8855544, 10331468, 12176373, 15497202, 16235164, 20662936, 24352746, 28411537, 30994404, 32470328, 48705492, 56823074, 61988808, 85234611, 97410984, 113646148, 170469222, 227292296, 340938444, 681876888]

約数ペア:

[(1, 681876888), (2, 340938444), (3, 227292296), (4, 170469222), (6, 113646148), (7, 97410984), (8, 85234611), (11, 61988808), (12, 56823074), (14, 48705492), (21, 32470328), (22, 30994404), (24, 28411537), (28, 24352746), (33, 20662936), (42, 16235164), (44, 15497202), (56, 12176373), (66, 10331468), (77, 8855544), (84, 8117582), (88, 7748601), (132, 5165734), (154, 4427772), (168, 4058791), (197, 3461304), (231, 2951848), (264, 2582867), (308, 2213886), (394, 1730652), (462, 1475924), (591, 1153768), (616, 1106943), (788, 865326), (924, 737962), (1182, 576884), (1379, 494472), (1576, 432663), (1848, 368981), (1873, 364056), (2167, 314664), (2364, 288442), (2758, 247236), (3746, 182028), (4137, 164824), (4334, 157332), (4728, 144221), (5516, 123618), (5619, 121352), (6501, 104888), (7492, 91014), (8274, 82412), (8668, 78666), (11032, 61809), (11238, 60676), (13002, 52444), (13111, 52008), (14984, 45507), (15169, 44952), (16548, 41206), (17336, 39333), (20603, 33096), (22476, 30338), (26004, 26222)]