30139571

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 9258829

約数列:

[1, 7, 11, 37, 71, 77, 149, 259, 407, 497, 781, 1043, 1639, 2627, 2849, 5467, 5513, 10579, 11473, 18389, 28897, 38591, 60643, 74053, 116369, 202279, 391423, 424501, 814583, 2739961, 4305653, 30139571]

約数ペア:

[(1, 30139571), (7, 4305653), (11, 2739961), (37, 814583), (71, 424501), (77, 391423), (149, 202279), (259, 116369), (407, 74053), (497, 60643), (781, 38591), (1043, 28897), (1639, 18389), (2627, 11473), (2849, 10579), (5467, 5513)]