2990281

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:264

約数の個数: 16

約数和(自身を含む): 3571200

約数和(自身を除く): 580919

約数列:

[1, 7, 47, 61, 149, 329, 427, 1043, 2867, 7003, 9089, 20069, 49021, 63623, 427183, 2990281]

約数ペア:

[(1, 2990281), (7, 427183), (47, 63623), (61, 49021), (149, 20069), (329, 9089), (427, 7003), (1043, 2867)]