8472505

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 10511424

約数和(自身を除く): 2038919

約数列:

[1, 5, 43, 157, 215, 251, 785, 1255, 6751, 10793, 33755, 39407, 53965, 197035, 1694501, 8472505]

約数ペア:

[(1, 8472505), (5, 1694501), (43, 197035), (157, 53965), (215, 39407), (251, 33755), (785, 10793), (1255, 6751)]