256136968

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{230339}}^1$

素因数の和:230484

約数の個数: 16

約数和(自身を含む): 483714000

約数和(自身を除く): 227577032

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 230339, 460678, 921356, 1842712, 32017121, 64034242, 128068484, 256136968]

約数ペア:

[(1, 256136968), (2, 128068484), (4, 64034242), (8, 32017121), (139, 1842712), (278, 921356), (556, 460678), (1112, 230339)]