28709527

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{7933}}^1$

素因数の和:7998

約数の個数: 16

約数和(自身を含む): 36559872

約数和(自身を除く): 7850345

約数列:

[1, 7, 11, 47, 77, 329, 517, 3619, 7933, 55531, 87263, 372851, 610841, 2609957, 4101361, 28709527]

約数ペア:

[(1, 28709527), (7, 4101361), (11, 2609957), (47, 610841), (77, 372851), (329, 87263), (517, 55531), (3619, 7933)]