81187436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{18269}}^1$

素因数の和:18385

約数の個数: 24

約数和(自身を含む): 156537360

約数和(自身を除く): 75349924

約数列:

[1, 2, 4, 11, 22, 44, 101, 202, 404, 1111, 2222, 4444, 18269, 36538, 73076, 200959, 401918, 803836, 1845169, 3690338, 7380676, 20296859, 40593718, 81187436]

約数ペア:

[(1, 81187436), (2, 40593718), (4, 20296859), (11, 7380676), (22, 3690338), (44, 1845169), (101, 803836), (202, 401918), (404, 200959), (1111, 73076), (2222, 36538), (4444, 18269)]