11781385

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 17915904

約数和(自身を除く): 6134519

約数列:

[1, 5, 7, 11, 35, 55, 71, 77, 355, 385, 431, 497, 781, 2155, 2485, 3017, 3905, 4741, 5467, 15085, 23705, 27335, 30601, 33187, 153005, 165935, 214207, 336611, 1071035, 1683055, 2356277, 11781385]

約数ペア:

[(1, 11781385), (5, 2356277), (7, 1683055), (11, 1071035), (35, 336611), (55, 214207), (71, 165935), (77, 153005), (355, 33187), (385, 30601), (431, 27335), (497, 23705), (781, 15085), (2155, 5467), (2485, 4741), (3017, 3905)]