2978521

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 3725568

約数和(自身を除く): 747047

約数列:

[1, 7, 13, 71, 91, 461, 497, 923, 3227, 5993, 6461, 32731, 41951, 229117, 425503, 2978521]

約数ペア:

[(1, 2978521), (7, 425503), (13, 229117), (71, 41951), (91, 32731), (461, 6461), (497, 5993), (923, 3227)]