261799681

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{809}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 322237440

約数和(自身を除く): 60437759

約数列:

[1, 11, 13, 31, 73, 143, 341, 403, 803, 809, 949, 2263, 4433, 8899, 10439, 10517, 24893, 25079, 29419, 59057, 115687, 275869, 323609, 326027, 649627, 767741, 1830767, 3586297, 8445151, 20138437, 23799971, 261799681]

約数ペア:

[(1, 261799681), (11, 23799971), (13, 20138437), (31, 8445151), (73, 3586297), (143, 1830767), (341, 767741), (403, 649627), (803, 326027), (809, 323609), (949, 275869), (2263, 115687), (4433, 59057), (8899, 29419), (10439, 25079), (10517, 24893)]