28160405

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1049}}^1$

素因数の和:1133

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 14175595

約数列:

[1, 5, 7, 13, 35, 59, 65, 91, 295, 413, 455, 767, 1049, 2065, 3835, 5245, 5369, 7343, 13637, 26845, 36715, 61891, 68185, 95459, 309455, 433237, 477295, 804583, 2166185, 4022915, 5632081, 28160405]

約数ペア:

[(1, 28160405), (5, 5632081), (7, 4022915), (13, 2166185), (35, 804583), (59, 477295), (65, 433237), (91, 309455), (295, 95459), (413, 68185), (455, 61891), (767, 36715), (1049, 26845), (2065, 13637), (3835, 7343), (5245, 5369)]