189898405

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{39521}}^1$

素因数の和:39588

約数の個数: 12

約数和(自身を含む): 235472076

約数和(自身を除く): 45573671

約数列:

[1, 5, 31, 155, 961, 4805, 39521, 197605, 1225151, 6125755, 37979681, 189898405]

約数ペア:

[(1, 189898405), (5, 37979681), (31, 6125755), (155, 1225151), (961, 197605), (4805, 39521)]