28636624

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:547

約数の個数: 40

約数和(自身を含む): 57451680

約数和(自身を除く): 28815056

約数列:

[1, 2, 4, 8, 16, 43, 86, 107, 172, 214, 344, 389, 428, 688, 778, 856, 1556, 1712, 3112, 4601, 6224, 9202, 16727, 18404, 33454, 36808, 41623, 66908, 73616, 83246, 133816, 166492, 267632, 332984, 665968, 1789789, 3579578, 7159156, 14318312, 28636624]

約数ペア:

[(1, 28636624), (2, 14318312), (4, 7159156), (8, 3579578), (16, 1789789), (43, 665968), (86, 332984), (107, 267632), (172, 166492), (214, 133816), (344, 83246), (389, 73616), (428, 66908), (688, 41623), (778, 36808), (856, 33454), (1556, 18404), (1712, 16727), (3112, 9202), (4601, 6224)]