211320319

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{37783}}^1$

素因数の和:37854

約数の個数: 16

約数和(自身を含む): 261163008

約数和(自身を除く): 49842689

約数列:

[1, 7, 17, 47, 119, 329, 799, 5593, 37783, 264481, 642311, 1775801, 4496177, 12430607, 30188617, 211320319]

約数ペア:

[(1, 211320319), (7, 30188617), (17, 12430607), (47, 4496177), (119, 1775801), (329, 642311), (799, 264481), (5593, 37783)]