49948145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 66769920

約数和(自身を除く): 16821775

約数列:

[1, 5, 13, 65, 71, 79, 137, 355, 395, 685, 923, 1027, 1781, 4615, 5135, 5609, 8905, 9727, 10823, 28045, 48635, 54115, 72917, 126451, 140699, 364585, 632255, 703495, 768433, 3842165, 9989629, 49948145]

約数ペア:

[(1, 49948145), (5, 9989629), (13, 3842165), (65, 768433), (71, 703495), (79, 632255), (137, 364585), (355, 140699), (395, 126451), (685, 72917), (923, 54115), (1027, 48635), (1781, 28045), (4615, 10823), (5135, 9727), (5609, 8905)]