207858352

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{1559}}^1$

素因数の和:2221

約数の個数: 40

約数和(自身を含む): 434659680

約数和(自身を除く): 226801328

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 641, 1282, 1559, 2564, 3118, 5128, 6236, 8333, 10256, 12472, 16666, 20267, 24944, 33332, 40534, 66664, 81068, 133328, 162136, 324272, 999319, 1998638, 3997276, 7994552, 12991147, 15989104, 25982294, 51964588, 103929176, 207858352]

約数ペア:

[(1, 207858352), (2, 103929176), (4, 51964588), (8, 25982294), (13, 15989104), (16, 12991147), (26, 7994552), (52, 3997276), (104, 1998638), (208, 999319), (641, 324272), (1282, 162136), (1559, 133328), (2564, 81068), (3118, 66664), (5128, 40534), (6236, 33332), (8333, 24944), (10256, 20267), (12472, 16666)]