128903056

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{487}}^1$

素因数の和:799

約数の個数: 40

約数和(自身を含む): 254876544

約数和(自身を除く): 125973488

約数列:

[1, 2, 4, 8, 16, 71, 142, 233, 284, 466, 487, 568, 932, 974, 1136, 1864, 1948, 3728, 3896, 7792, 16543, 33086, 34577, 66172, 69154, 113471, 132344, 138308, 226942, 264688, 276616, 453884, 553232, 907768, 1815536, 8056441, 16112882, 32225764, 64451528, 128903056]

約数ペア:

[(1, 128903056), (2, 64451528), (4, 32225764), (8, 16112882), (16, 8056441), (71, 1815536), (142, 907768), (233, 553232), (284, 453884), (466, 276616), (487, 264688), (568, 226942), (932, 138308), (974, 132344), (1136, 113471), (1864, 69154), (1948, 66172), (3728, 34577), (3896, 33086), (7792, 16543)]