28138782

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{669971}}^1$

素因数の和:669983

約数の個数: 16

約数和(自身を含む): 64317312

約数和(自身を除く): 36178530

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 669971, 1339942, 2009913, 4019826, 4689797, 9379594, 14069391, 28138782]

約数ペア:

[(1, 28138782), (2, 14069391), (3, 9379594), (6, 4689797), (7, 4019826), (14, 2009913), (21, 1339942), (42, 669971)]