256547584

素因数分解:

$2^8\times {\mathrm{197}}^1\times {\mathrm{5087}}^1$

素因数の和:5300

約数の個数: 36

約数和(自身を含む): 514793664

約数和(自身を除く): 258246080

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 197, 256, 394, 788, 1576, 3152, 5087, 6304, 10174, 12608, 20348, 25216, 40696, 50432, 81392, 162784, 325568, 651136, 1002139, 1302272, 2004278, 4008556, 8017112, 16034224, 32068448, 64136896, 128273792, 256547584]

約数ペア:

[(1, 256547584), (2, 128273792), (4, 64136896), (8, 32068448), (16, 16034224), (32, 8017112), (64, 4008556), (128, 2004278), (197, 1302272), (256, 1002139), (394, 651136), (788, 325568), (1576, 162784), (3152, 81392), (5087, 50432), (6304, 40696), (10174, 25216), (12608, 20348)]