2015990144

素因数分解:

$2^7\times 7^2\times {\mathrm{321427}}^1$

素因数の和:321455

約数の個数: 48

約数和(自身を含む): 4671955980

約数和(自身を除く): 2655965836

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 6272, 321427, 642854, 1285708, 2249989, 2571416, 4499978, 5142832, 8999956, 10285664, 15749923, 17999912, 20571328, 31499846, 35999824, 41142656, 62999692, 71999648, 125999384, 143999296, 251998768, 287998592, 503997536, 1007995072, 2015990144]

約数ペア:

[(1, 2015990144), (2, 1007995072), (4, 503997536), (7, 287998592), (8, 251998768), (14, 143999296), (16, 125999384), (28, 71999648), (32, 62999692), (49, 41142656), (56, 35999824), (64, 31499846), (98, 20571328), (112, 17999912), (128, 15749923), (196, 10285664), (224, 8999956), (392, 5142832), (448, 4499978), (784, 2571416), (896, 2249989), (1568, 1285708), (3136, 642854), (6272, 321427)]