203438405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{12401}}^1$

素因数の和:12616

約数の個数: 16

約数和(自身を含む): 259846704

約数和(自身を除く): 56408299

約数列:

[1, 5, 17, 85, 193, 965, 3281, 12401, 16405, 62005, 210817, 1054085, 2393393, 11966965, 40687681, 203438405]

約数ペア:

[(1, 203438405), (5, 40687681), (17, 11966965), (85, 2393393), (193, 1054085), (965, 210817), (3281, 62005), (12401, 16405)]