2181670016

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{396379}}^1$

素因数の和:396436

約数の個数: 32

約数和(自身を含む): 4447383600

約数和(自身を除く): 2265713584

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 344, 688, 1376, 2752, 5504, 396379, 792758, 1585516, 3171032, 6342064, 12684128, 17044297, 25368256, 34088594, 50736512, 68177188, 136354376, 272708752, 545417504, 1090835008, 2181670016]

約数ペア:

[(1, 2181670016), (2, 1090835008), (4, 545417504), (8, 272708752), (16, 136354376), (32, 68177188), (43, 50736512), (64, 34088594), (86, 25368256), (128, 17044297), (172, 12684128), (344, 6342064), (688, 3171032), (1376, 1585516), (2752, 792758), (5504, 396379)]