127284890

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{31121}}^1$

素因数の和:31537

約数の個数: 16

約数和(自身を含む): 229680360

約数和(自身を除く): 102395470

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 31121, 62242, 155605, 311210, 12728489, 25456978, 63642445, 127284890]

約数ペア:

[(1, 127284890), (2, 63642445), (5, 25456978), (10, 12728489), (409, 311210), (818, 155605), (2045, 62242), (4090, 31121)]