256408082

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{1087}}^1$

素因数の和:1215

約数の個数: 48

約数和(自身を含む): 468840960

約数和(自身を除く): 212432878

約数列:

[1, 2, 7, 14, 29, 49, 58, 83, 98, 166, 203, 406, 581, 1087, 1162, 1421, 2174, 2407, 2842, 4067, 4814, 7609, 8134, 15218, 16849, 31523, 33698, 53263, 63046, 90221, 106526, 117943, 180442, 220661, 235886, 441322, 631547, 1263094, 1544627, 2616409, 3089254, 4420829, 5232818, 8841658, 18314863, 36629726, 128204041, 256408082]

約数ペア:

[(1, 256408082), (2, 128204041), (7, 36629726), (14, 18314863), (29, 8841658), (49, 5232818), (58, 4420829), (83, 3089254), (98, 2616409), (166, 1544627), (203, 1263094), (406, 631547), (581, 441322), (1087, 235886), (1162, 220661), (1421, 180442), (2174, 117943), (2407, 106526), (2842, 90221), (4067, 63046), (4814, 53263), (7609, 33698), (8134, 31523), (15218, 16849)]