128224012

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{64499}}^1$

素因数の和:64581

約数の個数: 24

約数和(自身を含む): 260064000

約数和(自身を除く): 131839988

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 64499, 128998, 257996, 451493, 902986, 1805972, 4579429, 9158858, 18317716, 32056003, 64112006, 128224012]

約数ペア:

[(1, 128224012), (2, 64112006), (4, 32056003), (7, 18317716), (14, 9158858), (28, 4579429), (71, 1805972), (142, 902986), (284, 451493), (497, 257996), (994, 128998), (1988, 64499)]