291232172

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{8837}}^1$

素因数の和:8966

約数の個数: 48

約数和(自身を含む): 641426688

約数和(自身を除く): 350194516

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 107, 154, 214, 308, 428, 749, 1177, 1498, 2354, 2996, 4708, 8239, 8837, 16478, 17674, 32956, 35348, 61859, 97207, 123718, 194414, 247436, 388828, 680449, 945559, 1360898, 1891118, 2721796, 3782236, 6618913, 10401149, 13237826, 20802298, 26475652, 41604596, 72808043, 145616086, 291232172]

約数ペア:

[(1, 291232172), (2, 145616086), (4, 72808043), (7, 41604596), (11, 26475652), (14, 20802298), (22, 13237826), (28, 10401149), (44, 6618913), (77, 3782236), (107, 2721796), (154, 1891118), (214, 1360898), (308, 945559), (428, 680449), (749, 388828), (1177, 247436), (1498, 194414), (2354, 123718), (2996, 97207), (4708, 61859), (8239, 35348), (8837, 32956), (16478, 17674)]