256225864

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{4817}}^1$

素因数の和:4993

約数の個数: 32

約数和(自身を含む): 492881400

約数和(自身を除く): 236655536

約数列:

[1, 2, 4, 8, 61, 109, 122, 218, 244, 436, 488, 872, 4817, 6649, 9634, 13298, 19268, 26596, 38536, 53192, 293837, 525053, 587674, 1050106, 1175348, 2100212, 2350696, 4200424, 32028233, 64056466, 128112932, 256225864]

約数ペア:

[(1, 256225864), (2, 128112932), (4, 64056466), (8, 32028233), (61, 4200424), (109, 2350696), (122, 2100212), (218, 1175348), (244, 1050106), (436, 587674), (488, 525053), (872, 293837), (4817, 53192), (6649, 38536), (9634, 26596), (13298, 19268)]