128216123

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{919}}^1\times {\mathrm{1049}}^1$

素因数の和:1994

約数の個数: 16

約数和(自身を含む): 154560000

約数和(自身を除く): 26343877

約数列:

[1, 7, 19, 133, 919, 1049, 6433, 7343, 17461, 19931, 122227, 139517, 964031, 6748217, 18316589, 128216123]

約数ペア:

[(1, 128216123), (7, 18316589), (19, 6748217), (133, 964031), (919, 139517), (1049, 122227), (6433, 19931), (7343, 17461)]