213628492

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{9769}}^1$

素因数の和:9862

約数の個数: 48

約数和(自身を含む): 472711680

約数和(自身を除く): 259083188

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 994, 1562, 1988, 3124, 5467, 9769, 10934, 19538, 21868, 39076, 68383, 107459, 136766, 214918, 273532, 429836, 693599, 752213, 1387198, 1504426, 2774396, 3008852, 4855193, 7629589, 9710386, 15259178, 19420772, 30518356, 53407123, 106814246, 213628492]

約数ペア:

[(1, 213628492), (2, 106814246), (4, 53407123), (7, 30518356), (11, 19420772), (14, 15259178), (22, 9710386), (28, 7629589), (44, 4855193), (71, 3008852), (77, 2774396), (142, 1504426), (154, 1387198), (284, 752213), (308, 693599), (497, 429836), (781, 273532), (994, 214918), (1562, 136766), (1988, 107459), (3124, 68383), (5467, 39076), (9769, 21868), (10934, 19538)]