243640405

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{11251}}^1$

素因数の和:11388

約数の個数: 16

約数和(自身を含む): 301373568

約数和(自身を除く): 57733163

約数列:

[1, 5, 61, 71, 305, 355, 4331, 11251, 21655, 56255, 686311, 798821, 3431555, 3994105, 48728081, 243640405]

約数ペア:

[(1, 243640405), (5, 48728081), (61, 3994105), (71, 3431555), (305, 798821), (355, 686311), (4331, 56255), (11251, 21655)]