247491503

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{607}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 295684992

約数和(自身を除く): 48193489

約数列:

[1, 7, 49, 53, 157, 371, 607, 1099, 2597, 4249, 7693, 8321, 29743, 32171, 58247, 95299, 225197, 407729, 667093, 1576379, 4669651, 5050847, 35355929, 247491503]

約数ペア:

[(1, 247491503), (7, 35355929), (49, 5050847), (53, 4669651), (157, 1576379), (371, 667093), (607, 407729), (1099, 225197), (2597, 95299), (4249, 58247), (7693, 32171), (8321, 29743)]