25640494

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{2237}}^1$

素因数の和:2771

約数の個数: 16

約数和(自身を含む): 42056496

約数和(自身を除く): 16416002

約数列:

[1, 2, 11, 22, 521, 1042, 2237, 4474, 5731, 11462, 24607, 49214, 1165477, 2330954, 12820247, 25640494]

約数ペア:

[(1, 25640494), (2, 12820247), (11, 2330954), (22, 1165477), (521, 49214), (1042, 24607), (2237, 11462), (4474, 5731)]