72706816

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3121}}^1$

素因数の和:3157

約数の個数: 72

約数和(自身を含む): 178678304

約数和(自身を除く): 105971488

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 728, 832, 896, 1456, 1664, 1792, 2912, 3121, 3328, 5824, 6242, 11648, 12484, 21847, 23296, 24968, 40573, 43694, 49936, 81146, 87388, 99872, 162292, 174776, 199744, 284011, 324584, 349552, 399488, 568022, 649168, 699104, 798976, 1136044, 1298336, 1398208, 2272088, 2596672, 2796416, 4544176, 5193344, 5592832, 9088352, 10386688, 18176704, 36353408, 72706816]

約数ペア:

[(1, 72706816), (2, 36353408), (4, 18176704), (7, 10386688), (8, 9088352), (13, 5592832), (14, 5193344), (16, 4544176), (26, 2796416), (28, 2596672), (32, 2272088), (52, 1398208), (56, 1298336), (64, 1136044), (91, 798976), (104, 699104), (112, 649168), (128, 568022), (182, 399488), (208, 349552), (224, 324584), (256, 284011), (364, 199744), (416, 174776), (448, 162292), (728, 99872), (832, 87388), (896, 81146), (1456, 49936), (1664, 43694), (1792, 40573), (2912, 24968), (3121, 23296), (3328, 21847), (5824, 12484), (6242, 11648)]