28488676

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:332

約数の個数: 36

約数和(自身を含む): 53393340

約数和(自身を除く): 24904664

約数列:

[1, 2, 4, 19, 38, 76, 109, 181, 218, 361, 362, 436, 722, 724, 1444, 2071, 3439, 4142, 6878, 8284, 13756, 19729, 39349, 39458, 65341, 78698, 78916, 130682, 157396, 261364, 374851, 749702, 1499404, 7122169, 14244338, 28488676]

約数ペア:

[(1, 28488676), (2, 14244338), (4, 7122169), (19, 1499404), (38, 749702), (76, 374851), (109, 261364), (181, 157396), (218, 130682), (361, 78916), (362, 78698), (436, 65341), (722, 39458), (724, 39349), (1444, 19729), (2071, 13756), (3439, 8284), (4142, 6878)]