220145149

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1\times {\mathrm{787}}^1$

素因数の和:1332

約数の個数: 16

約数和(自身を含む): 255312000

約数和(自身を除く): 35166851

約数列:

[1, 7, 89, 449, 623, 787, 3143, 5509, 39961, 70043, 279727, 353363, 490301, 2473541, 31449307, 220145149]

約数ペア:

[(1, 220145149), (7, 31449307), (89, 2473541), (449, 490301), (623, 353363), (787, 279727), (3143, 70043), (5509, 39961)]