644848701

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 1047920640

約数和(自身を除く): 403071939

約数列:

[1, 3, 7, 21, 31, 59, 93, 103, 163, 177, 217, 309, 413, 489, 651, 721, 1141, 1239, 1829, 2163, 3193, 3423, 5053, 5487, 6077, 9579, 9617, 12803, 15159, 16789, 18231, 22351, 28851, 35371, 38409, 42539, 50367, 67053, 67319, 106113, 117523, 127617, 188387, 201957, 298127, 352569, 520459, 565161, 894381, 990551, 1318709, 1561377, 2086889, 2971653, 3643213, 3956127, 6260667, 6933857, 10929639, 20801571, 30707081, 92121243, 214949567, 644848701]

約数ペア:

[(1, 644848701), (3, 214949567), (7, 92121243), (21, 30707081), (31, 20801571), (59, 10929639), (93, 6933857), (103, 6260667), (163, 3956127), (177, 3643213), (217, 2971653), (309, 2086889), (413, 1561377), (489, 1318709), (651, 990551), (721, 894381), (1141, 565161), (1239, 520459), (1829, 352569), (2163, 298127), (3193, 201957), (3423, 188387), (5053, 127617), (5487, 117523), (6077, 106113), (9579, 67319), (9617, 67053), (12803, 50367), (15159, 42539), (16789, 38409), (18231, 35371), (22351, 28851)]