57211385

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{821}}^1$

素因数の和:1025

約数の個数: 32

約数和(自身を含む): 86171904

約数和(自身を除く): 28960519

約数列:

[1, 5, 7, 11, 35, 55, 77, 181, 385, 821, 905, 1267, 1991, 4105, 5747, 6335, 9031, 9955, 13937, 28735, 45155, 63217, 69685, 148601, 316085, 743005, 1040207, 1634611, 5201035, 8173055, 11442277, 57211385]

約数ペア:

[(1, 57211385), (5, 11442277), (7, 8173055), (11, 5201035), (35, 1634611), (55, 1040207), (77, 743005), (181, 316085), (385, 148601), (821, 69685), (905, 63217), (1267, 45155), (1991, 28735), (4105, 13937), (5747, 9955), (6335, 9031)]