1247145985

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{36947}}^1$

素因数の和:37152

約数の個数: 16

約数和(自身を含む): 1541174976

約数和(自身を除く): 294028991

約数列:

[1, 5, 43, 157, 215, 785, 6751, 33755, 36947, 184735, 1588721, 5800679, 7943605, 29003395, 249429197, 1247145985]

約数ペア:

[(1, 1247145985), (5, 249429197), (43, 29003395), (157, 7943605), (215, 5800679), (785, 1588721), (6751, 184735), (33755, 36947)]