2051217584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1\times {\mathrm{443}}^1$

素因数の和:774

約数の個数: 80

約数和(自身を含む): 4349534112

約数和(自身を除く): 2298316528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 113, 197, 208, 226, 394, 443, 452, 788, 886, 904, 1469, 1576, 1772, 1808, 2561, 2938, 3152, 3544, 5122, 5759, 5876, 7088, 10244, 11518, 11752, 20488, 22261, 23036, 23504, 40976, 44522, 46072, 50059, 87271, 89044, 92144, 100118, 174542, 178088, 200236, 289393, 349084, 356176, 400472, 578786, 650767, 698168, 800944, 1134523, 1157572, 1301534, 1396336, 2269046, 2315144, 2603068, 4538092, 4630288, 5206136, 9076184, 9861623, 10412272, 18152368, 19723246, 39446492, 78892984, 128201099, 157785968, 256402198, 512804396, 1025608792, 2051217584]

約数ペア:

[(1, 2051217584), (2, 1025608792), (4, 512804396), (8, 256402198), (13, 157785968), (16, 128201099), (26, 78892984), (52, 39446492), (104, 19723246), (113, 18152368), (197, 10412272), (208, 9861623), (226, 9076184), (394, 5206136), (443, 4630288), (452, 4538092), (788, 2603068), (886, 2315144), (904, 2269046), (1469, 1396336), (1576, 1301534), (1772, 1157572), (1808, 1134523), (2561, 800944), (2938, 698168), (3152, 650767), (3544, 578786), (5122, 400472), (5759, 356176), (5876, 349084), (7088, 289393), (10244, 200236), (11518, 178088), (11752, 174542), (20488, 100118), (22261, 92144), (23036, 89044), (23504, 87271), (40976, 50059), (44522, 46072)]