221555404

素因数分解:

$2^2\times 7^1\times {\mathrm{503}}^1\times {\mathrm{15731}}^1$

素因数の和:16245

約数の個数: 24

約数和(自身を含む): 444019968

約数和(自身を除く): 222464564

約数列:

[1, 2, 4, 7, 14, 28, 503, 1006, 2012, 3521, 7042, 14084, 15731, 31462, 62924, 110117, 220234, 440468, 7912693, 15825386, 31650772, 55388851, 110777702, 221555404]

約数ペア:

[(1, 221555404), (2, 110777702), (4, 55388851), (7, 31650772), (14, 15825386), (28, 7912693), (503, 440468), (1006, 220234), (2012, 110117), (3521, 62924), (7042, 31462), (14084, 15731)]