989651015

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{20441}}^1$

素因数の和:20890

約数の個数: 16

約数和(自身を含む): 1242219456

約数和(自身を除く): 252568441

約数列:

[1, 5, 23, 115, 421, 2105, 9683, 20441, 48415, 102205, 470143, 2350715, 8605661, 43028305, 197930203, 989651015]

約数ペア:

[(1, 989651015), (5, 197930203), (23, 43028305), (115, 8605661), (421, 2350715), (2105, 470143), (9683, 102205), (20441, 48415)]