2256641855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1\times {\mathrm{881}}^1$

素因数の和:1307

約数の個数: 32

約数和(自身を含む): 2949887808

約数和(自身を除く): 693245953

約数列:

[1, 5, 13, 65, 157, 251, 785, 881, 1255, 2041, 3263, 4405, 10205, 11453, 16315, 39407, 57265, 138317, 197035, 221131, 512291, 691585, 1105655, 1798121, 2561455, 2874703, 8990605, 14373515, 34717567, 173587835, 451328371, 2256641855]

約数ペア:

[(1, 2256641855), (5, 451328371), (13, 173587835), (65, 34717567), (157, 14373515), (251, 8990605), (785, 2874703), (881, 2561455), (1255, 1798121), (2041, 1105655), (3263, 691585), (4405, 512291), (10205, 221131), (11453, 197035), (16315, 138317), (39407, 57265)]