28915968

素因数分解:

$2^8\times 3^1\times {\mathrm{23}}^1\times {\mathrm{1637}}^1$

素因数の和:1679

約数の個数: 72

約数和(自身を含む): 80353728

約数和(自身を除く): 51437760

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 256, 276, 368, 384, 552, 736, 768, 1104, 1472, 1637, 2208, 2944, 3274, 4416, 4911, 5888, 6548, 8832, 9822, 13096, 17664, 19644, 26192, 37651, 39288, 52384, 75302, 78576, 104768, 112953, 150604, 157152, 209536, 225906, 301208, 314304, 419072, 451812, 602416, 628608, 903624, 1204832, 1257216, 1807248, 2409664, 3614496, 4819328, 7228992, 9638656, 14457984, 28915968]

約数ペア:

[(1, 28915968), (2, 14457984), (3, 9638656), (4, 7228992), (6, 4819328), (8, 3614496), (12, 2409664), (16, 1807248), (23, 1257216), (24, 1204832), (32, 903624), (46, 628608), (48, 602416), (64, 451812), (69, 419072), (92, 314304), (96, 301208), (128, 225906), (138, 209536), (184, 157152), (192, 150604), (256, 112953), (276, 104768), (368, 78576), (384, 75302), (552, 52384), (736, 39288), (768, 37651), (1104, 26192), (1472, 19644), (1637, 17664), (2208, 13096), (2944, 9822), (3274, 8832), (4416, 6548), (4911, 5888)]