81418371008

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19237}}^1\times {\mathrm{5087}}^1$

素因数の和:24349

約数の個数: 56

約数和(自身を含む): 174035874432

約数和(自身を除く): 92617503424

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 5087, 10174, 19237, 20348, 38474, 40696, 66131, 76948, 81392, 132262, 153896, 162784, 250081, 264524, 307792, 325568, 500162, 529048, 615584, 1000324, 1058096, 1231168, 2000648, 2116192, 4001296, 4232384, 8002592, 16005184, 97858619, 195717238, 391434476, 782868952, 1272162047, 1565737904, 2544324094, 3131475808, 5088648188, 6262951616, 10177296376, 20354592752, 40709185504, 81418371008]

約数ペア:

[(1, 81418371008), (2, 40709185504), (4, 20354592752), (8, 10177296376), (13, 6262951616), (16, 5088648188), (26, 3131475808), (32, 2544324094), (52, 1565737904), (64, 1272162047), (104, 782868952), (208, 391434476), (416, 195717238), (832, 97858619), (5087, 16005184), (10174, 8002592), (19237, 4232384), (20348, 4001296), (38474, 2116192), (40696, 2000648), (66131, 1231168), (76948, 1058096), (81392, 1000324), (132262, 615584), (153896, 529048), (162784, 500162), (250081, 325568), (264524, 307792)]