28206984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{90407}}^1$

素因数の和:90429

約数の個数: 32

約数和(自身を含む): 75942720

約数和(自身を除く): 47735736

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 90407, 180814, 271221, 361628, 542442, 723256, 1084884, 1175291, 2169768, 2350582, 3525873, 4701164, 7051746, 9402328, 14103492, 28206984]

約数ペア:

[(1, 28206984), (2, 14103492), (3, 9402328), (4, 7051746), (6, 4701164), (8, 3525873), (12, 2350582), (13, 2169768), (24, 1175291), (26, 1084884), (39, 723256), (52, 542442), (78, 361628), (104, 271221), (156, 180814), (312, 90407)]