53143145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 72990720

約数和(自身を除く): 19847575

約数列:

[1, 5, 11, 31, 55, 71, 155, 341, 355, 439, 781, 1705, 2195, 2201, 3905, 4829, 11005, 13609, 24145, 24211, 31169, 68045, 121055, 149699, 155845, 342859, 748495, 966239, 1714295, 4831195, 10628629, 53143145]

約数ペア:

[(1, 53143145), (5, 10628629), (11, 4831195), (31, 1714295), (55, 966239), (71, 748495), (155, 342859), (341, 155845), (355, 149699), (439, 121055), (781, 68045), (1705, 31169), (2195, 24211), (2201, 24145), (3905, 13609), (4829, 11005)]