81213312

素因数分解:

$2^7\times 3^1\times {\mathrm{211493}}^1$

素因数の和:211510

約数の個数: 32

約数和(自身を含む): 215723880

約数和(自身を除く): 134510568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 211493, 422986, 634479, 845972, 1268958, 1691944, 2537916, 3383888, 5075832, 6767776, 10151664, 13535552, 20303328, 27071104, 40606656, 81213312]

約数ペア:

[(1, 81213312), (2, 40606656), (3, 27071104), (4, 20303328), (6, 13535552), (8, 10151664), (12, 6767776), (16, 5075832), (24, 3383888), (32, 2537916), (48, 1691944), (64, 1268958), (96, 845972), (128, 634479), (192, 422986), (384, 211493)]