81991104

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:442

約数の個数: 112

約数和(自身を含む): 236573568

約数和(自身を除く): 154582464

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 107, 156, 192, 208, 214, 307, 312, 321, 416, 428, 614, 624, 642, 832, 856, 921, 1228, 1248, 1284, 1391, 1712, 1842, 2456, 2496, 2568, 2782, 3424, 3684, 3991, 4173, 4912, 5136, 5564, 6848, 7368, 7982, 8346, 9824, 10272, 11128, 11973, 14736, 15964, 16692, 19648, 20544, 22256, 23946, 29472, 31928, 32849, 33384, 44512, 47892, 58944, 63856, 65698, 66768, 89024, 95784, 98547, 127712, 131396, 133536, 191568, 197094, 255424, 262792, 267072, 383136, 394188, 427037, 525584, 766272, 788376, 854074, 1051168, 1281111, 1576752, 1708148, 2102336, 2562222, 3153504, 3416296, 5124444, 6307008, 6832592, 10248888, 13665184, 20497776, 27330368, 40995552, 81991104]

約数ペア:

[(1, 81991104), (2, 40995552), (3, 27330368), (4, 20497776), (6, 13665184), (8, 10248888), (12, 6832592), (13, 6307008), (16, 5124444), (24, 3416296), (26, 3153504), (32, 2562222), (39, 2102336), (48, 1708148), (52, 1576752), (64, 1281111), (78, 1051168), (96, 854074), (104, 788376), (107, 766272), (156, 525584), (192, 427037), (208, 394188), (214, 383136), (307, 267072), (312, 262792), (321, 255424), (416, 197094), (428, 191568), (614, 133536), (624, 131396), (642, 127712), (832, 98547), (856, 95784), (921, 89024), (1228, 66768), (1248, 65698), (1284, 63856), (1391, 58944), (1712, 47892), (1842, 44512), (2456, 33384), (2496, 32849), (2568, 31928), (2782, 29472), (3424, 23946), (3684, 22256), (3991, 20544), (4173, 19648), (4912, 16692), (5136, 15964), (5564, 14736), (6848, 11973), (7368, 11128), (7982, 10272), (8346, 9824)]