209224885

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{7001}}^1$

素因数の和:7188

約数の個数: 16

約数和(自身を含む): 258793920

約数和(自身を除く): 49569035

約数列:

[1, 5, 43, 139, 215, 695, 5977, 7001, 29885, 35005, 301043, 973139, 1505215, 4865695, 41844977, 209224885]

約数ペア:

[(1, 209224885), (5, 41844977), (43, 4865695), (139, 1505215), (215, 973139), (695, 301043), (5977, 35005), (7001, 29885)]