28639394

素因数分解:

$2^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{4019}}^1$

素因数の和:4537

約数の個数: 16

約数和(自身を含む): 49204800

約数和(自身を除く): 20565406

約数列:

[1, 2, 7, 14, 509, 1018, 3563, 4019, 7126, 8038, 28133, 56266, 2045671, 4091342, 14319697, 28639394]

約数ペア:

[(1, 28639394), (2, 14319697), (7, 4091342), (14, 2045671), (509, 56266), (1018, 28133), (3563, 8038), (4019, 7126)]