2581276

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 4687200

約数和(自身を除く): 2105924

約数列:

[1, 2, 4, 61, 71, 122, 142, 149, 244, 284, 298, 596, 4331, 8662, 9089, 10579, 17324, 18178, 21158, 36356, 42316, 645319, 1290638, 2581276]

約数ペア:

[(1, 2581276), (2, 1290638), (4, 645319), (61, 42316), (71, 36356), (122, 21158), (142, 18178), (149, 17324), (244, 10579), (284, 9089), (298, 8662), (596, 4331)]