428021228

素因数分解:

$2^2\times {\mathrm{71}}^2\times {\mathrm{21227}}^1$

素因数の和:21373

約数の個数: 18

約数和(自身を含む): 759771348

約数和(自身を除く): 331750120

約数列:

[1, 2, 4, 71, 142, 284, 5041, 10082, 20164, 21227, 42454, 84908, 1507117, 3014234, 6028468, 107005307, 214010614, 428021228]

約数ペア:

[(1, 428021228), (2, 214010614), (4, 107005307), (71, 6028468), (142, 3014234), (284, 1507117), (5041, 84908), (10082, 42454), (20164, 21227)]