1387551286

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{709}}^1\times {\mathrm{8087}}^1$

素因数の和:8820

約数の個数: 24

約数和(自身を含む): 2291249520

約数和(自身を除く): 903698234

約数列:

[1, 2, 11, 22, 121, 242, 709, 1418, 7799, 8087, 15598, 16174, 85789, 88957, 171578, 177914, 978527, 1957054, 5733683, 11467366, 63070513, 126141026, 693775643, 1387551286]

約数ペア:

[(1, 1387551286), (2, 693775643), (11, 126141026), (22, 63070513), (121, 11467366), (242, 5733683), (709, 1957054), (1418, 978527), (7799, 177914), (8087, 171578), (15598, 88957), (16174, 85789)]