256460727

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1\times {\mathrm{439}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 371852800

約数和(自身を除く): 115392073

約数列:

[1, 3, 19, 37, 57, 111, 277, 439, 703, 831, 1317, 2109, 5263, 8341, 10249, 15789, 16243, 25023, 30747, 48729, 121603, 194731, 308617, 364809, 584193, 925851, 2310457, 4499311, 6931371, 13497933, 85486909, 256460727]

約数ペア:

[(1, 256460727), (3, 85486909), (19, 13497933), (37, 6931371), (57, 4499311), (111, 2310457), (277, 925851), (439, 584193), (703, 364809), (831, 308617), (1317, 194731), (2109, 121603), (5263, 48729), (8341, 30747), (10249, 25023), (15789, 16243)]