815936128

素因数分解:

$2^7\times 7^1\times {\mathrm{910643}}^1$

素因数の和:910664

約数の個数: 32

約数和(自身を含む): 1857713760

約数和(自身を除く): 1041777632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 910643, 1821286, 3642572, 6374501, 7285144, 12749002, 14570288, 25498004, 29140576, 50996008, 58281152, 101992016, 116562304, 203984032, 407968064, 815936128]

約数ペア:

[(1, 815936128), (2, 407968064), (4, 203984032), (7, 116562304), (8, 101992016), (14, 58281152), (16, 50996008), (28, 29140576), (32, 25498004), (56, 14570288), (64, 12749002), (112, 7285144), (128, 6374501), (224, 3642572), (448, 1821286), (896, 910643)]