81057872

素因数分解:

$2^4\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1823}}^1$

素因数の和:2235

約数の個数: 40

約数和(自身を含む): 180036096

約数和(自身を除く): 98978224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 397, 794, 1588, 1823, 2779, 3176, 3646, 5558, 6352, 7292, 11116, 12761, 14584, 22232, 25522, 29168, 44464, 51044, 102088, 204176, 723731, 1447462, 2894924, 5066117, 5789848, 10132234, 11579696, 20264468, 40528936, 81057872]

約数ペア:

[(1, 81057872), (2, 40528936), (4, 20264468), (7, 11579696), (8, 10132234), (14, 5789848), (16, 5066117), (28, 2894924), (56, 1447462), (112, 723731), (397, 204176), (794, 102088), (1588, 51044), (1823, 44464), (2779, 29168), (3176, 25522), (3646, 22232), (5558, 14584), (6352, 12761), (7292, 11116)]