28154728

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3617}}^1$

素因数の和:3769

約数の個数: 32

約数和(自身を含む): 60782400

約数和(自身を除く): 32627672

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 3617, 3892, 7234, 7784, 14468, 25319, 28936, 50638, 101276, 202552, 502763, 1005526, 2011052, 3519341, 4022104, 7038682, 14077364, 28154728]

約数ペア:

[(1, 28154728), (2, 14077364), (4, 7038682), (7, 4022104), (8, 3519341), (14, 2011052), (28, 1005526), (56, 502763), (139, 202552), (278, 101276), (556, 50638), (973, 28936), (1112, 25319), (1946, 14468), (3617, 7784), (3892, 7234)]