28115765

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{521}}^1$

素因数の和:820

約数の個数: 16

約数和(自身を含む): 34727616

約数和(自身を除く): 6611851

約数列:

[1, 5, 43, 215, 251, 521, 1255, 2605, 10793, 22403, 53965, 112015, 130771, 653855, 5623153, 28115765]

約数ペア:

[(1, 28115765), (5, 5623153), (43, 653855), (215, 130771), (251, 112015), (521, 53965), (1255, 22403), (2605, 10793)]