81396431168

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{44449}}^1$

素因数の和:44576

約数の個数: 112

約数和(自身を含む): 182089958400

約数和(自身を除く): 100693527232

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 71, 104, 124, 142, 208, 248, 284, 403, 416, 496, 568, 806, 832, 923, 992, 1136, 1612, 1846, 1984, 2201, 2272, 3224, 3692, 4402, 4544, 6448, 7384, 8804, 12896, 14768, 17608, 25792, 28613, 29536, 35216, 44449, 57226, 59072, 70432, 88898, 114452, 140864, 177796, 228904, 355592, 457808, 577837, 711184, 915616, 1155674, 1377919, 1422368, 1831232, 2311348, 2755838, 2844736, 3155879, 4622696, 5511676, 6311758, 9245392, 11023352, 12623516, 17912947, 18490784, 22046704, 25247032, 35825894, 36981568, 41026427, 44093408, 50494064, 71651788, 82052854, 88186816, 97832249, 100988128, 143303576, 164105708, 195664498, 201976256, 286607152, 328211416, 391328996, 573214304, 656422832, 782657992, 1146428608, 1271819237, 1312845664, 1565315984, 2543638474, 2625691328, 3130631968, 5087276948, 6261263936, 10174553896, 20349107792, 40698215584, 81396431168]

約数ペア:

[(1, 81396431168), (2, 40698215584), (4, 20349107792), (8, 10174553896), (13, 6261263936), (16, 5087276948), (26, 3130631968), (31, 2625691328), (32, 2543638474), (52, 1565315984), (62, 1312845664), (64, 1271819237), (71, 1146428608), (104, 782657992), (124, 656422832), (142, 573214304), (208, 391328996), (248, 328211416), (284, 286607152), (403, 201976256), (416, 195664498), (496, 164105708), (568, 143303576), (806, 100988128), (832, 97832249), (923, 88186816), (992, 82052854), (1136, 71651788), (1612, 50494064), (1846, 44093408), (1984, 41026427), (2201, 36981568), (2272, 35825894), (3224, 25247032), (3692, 22046704), (4402, 18490784), (4544, 17912947), (6448, 12623516), (7384, 11023352), (8804, 9245392), (12896, 6311758), (14768, 5511676), (17608, 4622696), (25792, 3155879), (28613, 2844736), (29536, 2755838), (35216, 2311348), (44449, 1831232), (57226, 1422368), (59072, 1377919), (70432, 1155674), (88898, 915616), (114452, 711184), (140864, 577837), (177796, 457808), (228904, 355592)]