2900989

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 3628800

約数和(自身を除く): 727811

約数列:

[1, 7, 13, 71, 91, 449, 497, 923, 3143, 5837, 6461, 31879, 40859, 223153, 414427, 2900989]

約数ペア:

[(1, 2900989), (7, 414427), (13, 223153), (71, 40859), (91, 31879), (449, 6461), (497, 5837), (923, 3143)]