809116

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 1838592

約数和(自身を除く): 1029476

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 71, 74, 77, 142, 148, 154, 259, 284, 308, 407, 497, 518, 781, 814, 994, 1036, 1562, 1628, 1988, 2627, 2849, 3124, 5254, 5467, 5698, 10508, 10934, 11396, 18389, 21868, 28897, 36778, 57794, 73556, 115588, 202279, 404558, 809116]

約数ペア:

[(1, 809116), (2, 404558), (4, 202279), (7, 115588), (11, 73556), (14, 57794), (22, 36778), (28, 28897), (37, 21868), (44, 18389), (71, 11396), (74, 10934), (77, 10508), (142, 5698), (148, 5467), (154, 5254), (259, 3124), (284, 2849), (308, 2627), (407, 1988), (497, 1628), (518, 1562), (781, 1036), (814, 994)]