86749990

素因数分解:

$2^1\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{4451}}^1$

素因数の和:6407

約数の個数: 16

約数和(自身を含む): 156265200

約数和(自身を除く): 69515210

約数列:

[1, 2, 5, 10, 1949, 3898, 4451, 8902, 9745, 19490, 22255, 44510, 8674999, 17349998, 43374995, 86749990]

約数ペア:

[(1, 86749990), (2, 43374995), (5, 17349998), (10, 8674999), (1949, 44510), (3898, 22255), (4451, 19490), (8902, 9745)]