15289768

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 31885920

約数和(自身を除く): 16596152

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 169, 172, 263, 338, 344, 526, 559, 676, 1052, 1118, 1352, 2104, 2236, 3419, 4472, 6838, 7267, 11309, 13676, 14534, 22618, 27352, 29068, 44447, 45236, 58136, 88894, 90472, 147017, 177788, 294034, 355576, 588068, 1176136, 1911221, 3822442, 7644884, 15289768]

約数ペア:

[(1, 15289768), (2, 7644884), (4, 3822442), (8, 1911221), (13, 1176136), (26, 588068), (43, 355576), (52, 294034), (86, 177788), (104, 147017), (169, 90472), (172, 88894), (263, 58136), (338, 45236), (344, 44447), (526, 29068), (559, 27352), (676, 22618), (1052, 14534), (1118, 13676), (1352, 11309), (2104, 7267), (2236, 6838), (3419, 4472)]