81645392

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{108571}}^1$

素因数の和:108626

約数の個数: 20

約数和(自身を含む): 161555136

約数和(自身を除く): 79909744

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 108571, 217142, 434284, 868568, 1737136, 5102837, 10205674, 20411348, 40822696, 81645392]

約数ペア:

[(1, 81645392), (2, 40822696), (4, 20411348), (8, 10205674), (16, 5102837), (47, 1737136), (94, 868568), (188, 434284), (376, 217142), (752, 108571)]