40821358

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:448

約数の個数: 24

約数和(自身を含む): 64417896

約数和(自身を除く): 23596538

約数列:

[1, 2, 31, 62, 67, 134, 317, 634, 961, 1922, 2077, 4154, 9827, 19654, 21239, 42478, 64387, 128774, 304637, 609274, 658409, 1316818, 20410679, 40821358]

約数ペア:

[(1, 40821358), (2, 20410679), (31, 1316818), (62, 658409), (67, 609274), (134, 304637), (317, 128774), (634, 64387), (961, 42478), (1922, 21239), (2077, 19654), (4154, 9827)]