217478464

素因数分解:

$2^6\times 7^3\times {\mathrm{9907}}^1$

素因数の和:9940

約数の個数: 56

約数和(自身を含む): 503326400

約数和(自身を除く): 285847936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 343, 392, 448, 686, 784, 1372, 1568, 2744, 3136, 5488, 9907, 10976, 19814, 21952, 39628, 69349, 79256, 138698, 158512, 277396, 317024, 485443, 554792, 634048, 970886, 1109584, 1941772, 2219168, 3398101, 3883544, 4438336, 6796202, 7767088, 13592404, 15534176, 27184808, 31068352, 54369616, 108739232, 217478464]

約数ペア:

[(1, 217478464), (2, 108739232), (4, 54369616), (7, 31068352), (8, 27184808), (14, 15534176), (16, 13592404), (28, 7767088), (32, 6796202), (49, 4438336), (56, 3883544), (64, 3398101), (98, 2219168), (112, 1941772), (196, 1109584), (224, 970886), (343, 634048), (392, 554792), (448, 485443), (686, 317024), (784, 277396), (1372, 158512), (1568, 138698), (2744, 79256), (3136, 69349), (5488, 39628), (9907, 21952), (10976, 19814)]