128857085

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{44357}}^1$

素因数の和:44452

約数の個数: 16

約数和(自身を含む): 178851456

約数和(自身を除く): 49994371

約数列:

[1, 5, 7, 35, 83, 415, 581, 2905, 44357, 221785, 310499, 1552495, 3681631, 18408155, 25771417, 128857085]

約数ペア:

[(1, 128857085), (5, 25771417), (7, 18408155), (35, 3681631), (83, 1552495), (415, 310499), (581, 221785), (2905, 44357)]