163864379

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 212094720

約数和(自身を除く): 48230341

約数列:

[1, 7, 19, 37, 49, 67, 71, 133, 259, 469, 497, 703, 931, 1273, 1349, 1813, 2479, 2627, 3283, 3479, 4757, 4921, 8911, 9443, 17353, 18389, 33299, 34447, 47101, 49913, 62377, 66101, 90383, 121471, 128723, 176009, 233093, 329707, 349391, 632681, 1232063, 2307949, 2445737, 3344171, 4428767, 8624441, 23409197, 163864379]

約数ペア:

[(1, 163864379), (7, 23409197), (19, 8624441), (37, 4428767), (49, 3344171), (67, 2445737), (71, 2307949), (133, 1232063), (259, 632681), (469, 349391), (497, 329707), (703, 233093), (931, 176009), (1273, 128723), (1349, 121471), (1813, 90383), (2479, 66101), (2627, 62377), (3283, 49913), (3479, 47101), (4757, 34447), (4921, 33299), (8911, 18389), (9443, 17353)]