1977964982

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{85991}}^1$

素因数の和:86084

約数の個数: 32

約数和(自身を含む): 3566260224

約数和(自身を除く): 1588295242

約数列:

[1, 2, 7, 14, 31, 53, 62, 106, 217, 371, 434, 742, 1643, 3286, 11501, 23002, 85991, 171982, 601937, 1203874, 2665721, 4557523, 5331442, 9115046, 18660047, 31902661, 37320094, 63805322, 141283213, 282566426, 988982491, 1977964982]

約数ペア:

[(1, 1977964982), (2, 988982491), (7, 282566426), (14, 141283213), (31, 63805322), (53, 37320094), (62, 31902661), (106, 18660047), (217, 9115046), (371, 5331442), (434, 4557523), (742, 2665721), (1643, 1203874), (3286, 601937), (11501, 171982), (23002, 85991)]