138889168

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{617}}^1\times {\mathrm{1279}}^1$

素因数の和:1915

約数の個数: 40

約数和(自身を含む): 294266880

約数和(自身を除く): 155377712

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 617, 1234, 1279, 2468, 2558, 4936, 5116, 6787, 9872, 10232, 13574, 14069, 20464, 27148, 28138, 54296, 56276, 108592, 112552, 225104, 789143, 1578286, 3156572, 6313144, 8680573, 12626288, 17361146, 34722292, 69444584, 138889168]

約数ペア:

[(1, 138889168), (2, 69444584), (4, 34722292), (8, 17361146), (11, 12626288), (16, 8680573), (22, 6313144), (44, 3156572), (88, 1578286), (176, 789143), (617, 225104), (1234, 112552), (1279, 108592), (2468, 56276), (2558, 54296), (4936, 28138), (5116, 27148), (6787, 20464), (9872, 14069), (10232, 13574)]