319428128

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{383}}^1\times {\mathrm{389}}^1$

素因数の和:849

約数の個数: 48

約数和(自身を含む): 641571840

約数和(自身を除く): 322143712

約数列:

[1, 2, 4, 8, 16, 32, 67, 134, 268, 383, 389, 536, 766, 778, 1072, 1532, 1556, 2144, 3064, 3112, 6128, 6224, 12256, 12448, 25661, 26063, 51322, 52126, 102644, 104252, 148987, 205288, 208504, 297974, 410576, 417008, 595948, 821152, 834016, 1191896, 2383792, 4767584, 9982129, 19964258, 39928516, 79857032, 159714064, 319428128]

約数ペア:

[(1, 319428128), (2, 159714064), (4, 79857032), (8, 39928516), (16, 19964258), (32, 9982129), (67, 4767584), (134, 2383792), (268, 1191896), (383, 834016), (389, 821152), (536, 595948), (766, 417008), (778, 410576), (1072, 297974), (1532, 208504), (1556, 205288), (2144, 148987), (3064, 104252), (3112, 102644), (6128, 52126), (6224, 51322), (12256, 26063), (12448, 25661)]