255712

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:202

約数の個数: 24

約数和(自身を含む): 515592

約数和(自身を除く): 259880

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 131, 244, 262, 488, 524, 976, 1048, 1952, 2096, 4192, 7991, 15982, 31964, 63928, 127856, 255712]

約数ペア:

[(1, 255712), (2, 127856), (4, 63928), (8, 31964), (16, 15982), (32, 7991), (61, 4192), (122, 2096), (131, 1952), (244, 1048), (262, 976), (488, 524)]