209960984

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{307}}^1\times {\mathrm{1613}}^1$

素因数の和:1979

約数の個数: 32

約数和(自身を含む): 402660720

約数和(自身を除く): 192699736

約数列:

[1, 2, 4, 8, 53, 106, 212, 307, 424, 614, 1228, 1613, 2456, 3226, 6452, 12904, 16271, 32542, 65084, 85489, 130168, 170978, 341956, 495191, 683912, 990382, 1980764, 3961528, 26245123, 52490246, 104980492, 209960984]

約数ペア:

[(1, 209960984), (2, 104980492), (4, 52490246), (8, 26245123), (53, 3961528), (106, 1980764), (212, 990382), (307, 683912), (424, 495191), (614, 341956), (1228, 170978), (1613, 130168), (2456, 85489), (3226, 65084), (6452, 32542), (12904, 16271)]