639558144

素因数分解:

$2^9\times 3^2\times {\mathrm{138793}}^1$

素因数の和:138817

約数の個数: 60

約数和(自身を含む): 1845821406

約数和(自身を除く): 1206263262

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1152, 1536, 2304, 4608, 138793, 277586, 416379, 555172, 832758, 1110344, 1249137, 1665516, 2220688, 2498274, 3331032, 4441376, 4996548, 6662064, 8882752, 9993096, 13324128, 17765504, 19986192, 26648256, 35531008, 39972384, 53296512, 71062016, 79944768, 106593024, 159889536, 213186048, 319779072, 639558144]

約数ペア:

[(1, 639558144), (2, 319779072), (3, 213186048), (4, 159889536), (6, 106593024), (8, 79944768), (9, 71062016), (12, 53296512), (16, 39972384), (18, 35531008), (24, 26648256), (32, 19986192), (36, 17765504), (48, 13324128), (64, 9993096), (72, 8882752), (96, 6662064), (128, 4996548), (144, 4441376), (192, 3331032), (256, 2498274), (288, 2220688), (384, 1665516), (512, 1249137), (576, 1110344), (768, 832758), (1152, 555172), (1536, 416379), (2304, 277586), (4608, 138793)]