889331390

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{649147}}^1$

素因数の和:649291

約数の個数: 16

約数和(自身を含む): 1612483632

約数和(自身を除く): 723152242

約数列:

[1, 2, 5, 10, 137, 274, 685, 1370, 649147, 1298294, 3245735, 6491470, 88933139, 177866278, 444665695, 889331390]

約数ペア:

[(1, 889331390), (2, 444665695), (5, 177866278), (10, 88933139), (137, 6491470), (274, 3245735), (685, 1298294), (1370, 649147)]