12804920648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6480223}}^1$

素因数の和:6480261

約数の個数: 32

約数和(自身を含む): 27216940800

約数和(自身を除く): 14412020152

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 6480223, 12960446, 25920892, 51841784, 84242899, 123124237, 168485798, 246248474, 336971596, 492496948, 673943192, 984993896, 1600615081, 3201230162, 6402460324, 12804920648]

約数ペア:

[(1, 12804920648), (2, 6402460324), (4, 3201230162), (8, 1600615081), (13, 984993896), (19, 673943192), (26, 492496948), (38, 336971596), (52, 246248474), (76, 168485798), (104, 123124237), (152, 84242899), (247, 51841784), (494, 25920892), (988, 12960446), (1976, 6480223)]