81225412

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{1879}}^1$

素因数の和:2091

約数の個数: 24

約数和(自身を含む): 144970560

約数和(自身を除く): 63745148

約数列:

[1, 2, 4, 101, 107, 202, 214, 404, 428, 1879, 3758, 7516, 10807, 21614, 43228, 189779, 201053, 379558, 402106, 759116, 804212, 20306353, 40612706, 81225412]

約数ペア:

[(1, 81225412), (2, 40612706), (4, 20306353), (101, 804212), (107, 759116), (202, 402106), (214, 379558), (404, 201053), (428, 189779), (1879, 43228), (3758, 21614), (7516, 10807)]