128855428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{7817}}^1$

素因数の和:8151

約数の個数: 24

約数和(自身を含む): 243640152

約数和(自身を除く): 114784724

約数列:

[1, 2, 4, 13, 26, 52, 317, 634, 1268, 4121, 7817, 8242, 15634, 16484, 31268, 101621, 203242, 406484, 2477989, 4955978, 9911956, 32213857, 64427714, 128855428]

約数ペア:

[(1, 128855428), (2, 64427714), (4, 32213857), (13, 9911956), (26, 4955978), (52, 2477989), (317, 406484), (634, 203242), (1268, 101621), (4121, 31268), (7817, 16484), (8242, 15634)]