7977986

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2957}}^1$

素因数の和:3049

約数の個数: 16

約数和(自身を含む): 12778560

約数和(自身を除く): 4800574

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 2957, 5914, 56183, 112366, 209947, 419894, 3988993, 7977986]

約数ペア:

[(1, 7977986), (2, 3988993), (19, 419894), (38, 209947), (71, 112366), (142, 56183), (1349, 5914), (2698, 2957)]