81974312

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{15091}}^1$

素因数の和:15201

約数の個数: 32

約数和(自身を含む): 177481920

約数和(自身を除く): 95507608

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 194, 388, 679, 776, 1358, 2716, 5432, 15091, 30182, 60364, 105637, 120728, 211274, 422548, 845096, 1463827, 2927654, 5855308, 10246789, 11710616, 20493578, 40987156, 81974312]

約数ペア:

[(1, 81974312), (2, 40987156), (4, 20493578), (7, 11710616), (8, 10246789), (14, 5855308), (28, 2927654), (56, 1463827), (97, 845096), (194, 422548), (388, 211274), (679, 120728), (776, 105637), (1358, 60364), (2716, 30182), (5432, 15091)]