256525982

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 403626240

約数和(自身を除く): 147100258

約数列:

[1, 2, 59, 67, 71, 118, 134, 142, 457, 914, 3953, 4189, 4757, 7906, 8378, 9514, 26963, 30619, 32447, 53926, 61238, 64894, 280663, 561326, 1806521, 1914373, 2173949, 3613042, 3828746, 4347898, 128262991, 256525982]

約数ペア:

[(1, 256525982), (2, 128262991), (59, 4347898), (67, 3828746), (71, 3613042), (118, 2173949), (134, 1914373), (142, 1806521), (457, 561326), (914, 280663), (3953, 64894), (4189, 61238), (4757, 53926), (7906, 32447), (8378, 30619), (9514, 26963)]