400804514

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{23327}}^1$

素因数の和:23422

約数の個数: 24

約数和(自身を含む): 670166784

約数和(自身を除く): 269362270

約数列:

[1, 2, 11, 22, 71, 121, 142, 242, 781, 1562, 8591, 17182, 23327, 46654, 256597, 513194, 1656217, 2822567, 3312434, 5645134, 18218387, 36436774, 200402257, 400804514]

約数ペア:

[(1, 400804514), (2, 200402257), (11, 36436774), (22, 18218387), (71, 5645134), (121, 3312434), (142, 2822567), (242, 1656217), (781, 513194), (1562, 256597), (8591, 46654), (17182, 23327)]