28771262

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{20879}}^1$

素因数の和:20947

約数の個数: 16

約数和(自身を含む): 47355840

約数和(自身を除く): 18584578

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 20879, 41758, 271427, 542854, 1106587, 2213174, 14385631, 28771262]

約数ペア:

[(1, 28771262), (2, 14385631), (13, 2213174), (26, 1106587), (53, 542854), (106, 271427), (689, 41758), (1378, 20879)]