201205025

素因数分解:

$5^2\times 7^2\times {\mathrm{164249}}^1$

素因数の和:164273

約数の個数: 18

約数和(自身を含む): 290229750

約数和(自身を除く): 89024725

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 164249, 821245, 1149743, 4106225, 5748715, 8048201, 28743575, 40241005, 201205025]

約数ペア:

[(1, 201205025), (5, 40241005), (7, 28743575), (25, 8048201), (35, 5748715), (49, 4106225), (175, 1149743), (245, 821245), (1225, 164249)]