1288464191

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{20981}}^1$

素因数の和:21302

約数の個数: 16

約数和(自身を含む): 1525475328

約数和(自身を除く): 237011137

約数列:

[1, 7, 31, 217, 283, 1981, 8773, 20981, 61411, 146867, 650411, 4552877, 5937623, 41563361, 184066313, 1288464191]

約数ペア:

[(1, 1288464191), (7, 184066313), (31, 41563361), (217, 5937623), (283, 4552877), (1981, 650411), (8773, 146867), (20981, 61411)]