28916810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{222437}}^1$

素因数の和:222457

約数の個数: 16

約数和(自身を含む): 56054376

約数和(自身を除く): 27137566

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 222437, 444874, 1112185, 2224370, 2891681, 5783362, 14458405, 28916810]

約数ペア:

[(1, 28916810), (2, 14458405), (5, 5783362), (10, 2891681), (13, 2224370), (26, 1112185), (65, 444874), (130, 222437)]