131253985

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 170945280

約数和(自身を除く): 39691295

約数列:

[1, 5, 23, 37, 109, 115, 185, 283, 545, 851, 1415, 2507, 4033, 4255, 6509, 10471, 12535, 20165, 30847, 32545, 52355, 92759, 154235, 240833, 463795, 709481, 1141339, 1204165, 3547405, 5706695, 26250797, 131253985]

約数ペア:

[(1, 131253985), (5, 26250797), (23, 5706695), (37, 3547405), (109, 1204165), (115, 1141339), (185, 709481), (283, 463795), (545, 240833), (851, 154235), (1415, 92759), (2507, 52355), (4033, 32545), (4255, 30847), (6509, 20165), (10471, 12535)]