28351895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2087}}^1$

素因数の和:2135

約数の個数: 32

約数和(自身を含む): 42094080

約数和(自身を除く): 13742185

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 209, 247, 715, 1045, 1235, 2087, 2717, 10435, 13585, 22957, 27131, 39653, 114785, 135655, 198265, 298441, 436183, 515489, 1492205, 2180915, 2577445, 5670379, 28351895]

約数ペア:

[(1, 28351895), (5, 5670379), (11, 2577445), (13, 2180915), (19, 1492205), (55, 515489), (65, 436183), (95, 298441), (143, 198265), (209, 135655), (247, 114785), (715, 39653), (1045, 27131), (1235, 22957), (2087, 13585), (2717, 10435)]