70721168

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20369}}^1$

素因数の和:20415

約数の個数: 40

約数和(自身を含む): 161656320

約数和(自身を除く): 90935152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 20369, 40738, 81476, 142583, 162952, 285166, 325904, 570332, 631439, 1140664, 1262878, 2281328, 2525756, 4420073, 5051512, 8840146, 10103024, 17680292, 35360584, 70721168]

約数ペア:

[(1, 70721168), (2, 35360584), (4, 17680292), (7, 10103024), (8, 8840146), (14, 5051512), (16, 4420073), (28, 2525756), (31, 2281328), (56, 1262878), (62, 1140664), (112, 631439), (124, 570332), (217, 325904), (248, 285166), (434, 162952), (496, 142583), (868, 81476), (1736, 40738), (3472, 20369)]