68756456704

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{1889}}^1\times {\mathrm{10937}}^1$

素因数の和:12855

約数の個数: 72

約数和(自身を含む): 147893354280

約数和(自身を除く): 79136897576

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 1889, 3328, 3778, 7556, 10937, 15112, 21874, 24557, 30224, 43748, 49114, 60448, 87496, 98228, 120896, 142181, 174992, 196456, 241792, 284362, 349984, 392912, 483584, 568724, 699968, 785824, 1137448, 1399936, 1571648, 2274896, 2799872, 3143296, 4549792, 6286592, 9099584, 18199168, 20659993, 36398336, 41319986, 82639972, 165279944, 268579909, 330559888, 537159818, 661119776, 1074319636, 1322239552, 2148639272, 2644479104, 4297278544, 5288958208, 8594557088, 17189114176, 34378228352, 68756456704]

約数ペア:

[(1, 68756456704), (2, 34378228352), (4, 17189114176), (8, 8594557088), (13, 5288958208), (16, 4297278544), (26, 2644479104), (32, 2148639272), (52, 1322239552), (64, 1074319636), (104, 661119776), (128, 537159818), (208, 330559888), (256, 268579909), (416, 165279944), (832, 82639972), (1664, 41319986), (1889, 36398336), (3328, 20659993), (3778, 18199168), (7556, 9099584), (10937, 6286592), (15112, 4549792), (21874, 3143296), (24557, 2799872), (30224, 2274896), (43748, 1571648), (49114, 1399936), (60448, 1137448), (87496, 785824), (98228, 699968), (120896, 568724), (142181, 483584), (174992, 392912), (196456, 349984), (241792, 284362)]