28947256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6473}}^1$

素因数の和:6535

約数の個数: 32

約数和(自身を含む): 59819760

約数和(自身を除く): 30872504

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 6473, 12946, 25892, 51784, 84149, 168298, 278339, 336596, 556678, 673192, 1113356, 2226712, 3618407, 7236814, 14473628, 28947256]

約数ペア:

[(1, 28947256), (2, 14473628), (4, 7236814), (8, 3618407), (13, 2226712), (26, 1113356), (43, 673192), (52, 556678), (86, 336596), (104, 278339), (172, 168298), (344, 84149), (559, 51784), (1118, 25892), (2236, 12946), (4472, 6473)]