81672944

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{268661}}^1$

素因数の和:268688

約数の個数: 20

約数和(自身を含む): 166570440

約数和(自身を除く): 84897496

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 268661, 537322, 1074644, 2149288, 4298576, 5104559, 10209118, 20418236, 40836472, 81672944]

約数ペア:

[(1, 81672944), (2, 40836472), (4, 20418236), (8, 10209118), (16, 5104559), (19, 4298576), (38, 2149288), (76, 1074644), (152, 537322), (304, 268661)]