42009209

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:269

約数の個数: 24

約数和(自身を含む): 49377600

約数和(自身を除く): 7368391

約数列:

[1, 11, 19, 71, 149, 209, 361, 781, 1349, 1639, 2831, 3971, 10579, 14839, 25631, 31141, 53789, 116369, 201001, 281941, 591679, 2211011, 3819019, 42009209]

約数ペア:

[(1, 42009209), (11, 3819019), (19, 2211011), (71, 591679), (149, 281941), (209, 201001), (361, 116369), (781, 53789), (1349, 31141), (1639, 25631), (2831, 14839), (3971, 10579)]