40253521

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 52531200

約数和(自身を除く): 12277679

約数列:

[1, 7, 11, 37, 71, 77, 199, 259, 407, 497, 781, 1393, 2189, 2627, 2849, 5467, 7363, 14129, 15323, 18389, 28897, 51541, 80993, 98903, 155419, 202279, 522773, 566951, 1087933, 3659411, 5750503, 40253521]

約数ペア:

[(1, 40253521), (7, 5750503), (11, 3659411), (37, 1087933), (71, 566951), (77, 522773), (199, 202279), (259, 155419), (407, 98903), (497, 80993), (781, 51541), (1393, 28897), (2189, 18389), (2627, 15323), (2849, 14129), (5467, 7363)]