78815256

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1609}}^1$

素因数の和:1788

約数の個数: 64

約数和(自身を含む): 213679200

約数和(自身を除く): 134863944

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 157, 312, 314, 471, 628, 942, 1256, 1609, 1884, 2041, 3218, 3768, 4082, 4827, 6123, 6436, 8164, 9654, 12246, 12872, 16328, 19308, 20917, 24492, 38616, 41834, 48984, 62751, 83668, 125502, 167336, 251004, 252613, 502008, 505226, 757839, 1010452, 1515678, 2020904, 3031356, 3283969, 6062712, 6567938, 9851907, 13135876, 19703814, 26271752, 39407628, 78815256]

約数ペア:

[(1, 78815256), (2, 39407628), (3, 26271752), (4, 19703814), (6, 13135876), (8, 9851907), (12, 6567938), (13, 6062712), (24, 3283969), (26, 3031356), (39, 2020904), (52, 1515678), (78, 1010452), (104, 757839), (156, 505226), (157, 502008), (312, 252613), (314, 251004), (471, 167336), (628, 125502), (942, 83668), (1256, 62751), (1609, 48984), (1884, 41834), (2041, 38616), (3218, 24492), (3768, 20917), (4082, 19308), (4827, 16328), (6123, 12872), (6436, 12246), (8164, 9654)]