128595971

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{947}}^1\times {\mathrm{1021}}^1$

素因数の和:1994

約数の個数: 16

約数和(自身を含む): 155016960

約数和(自身を除く): 26420989

約数列:

[1, 7, 19, 133, 947, 1021, 6629, 7147, 17993, 19399, 125951, 135793, 966887, 6768209, 18370853, 128595971]

約数ペア:

[(1, 128595971), (7, 18370853), (19, 6768209), (133, 966887), (947, 135793), (1021, 125951), (6629, 19399), (7147, 17993)]