128434243

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 167443200

約数和(自身を除く): 39008957

約数列:

[1, 7, 19, 29, 49, 67, 71, 133, 203, 469, 497, 551, 931, 1273, 1349, 1421, 1943, 2059, 3283, 3479, 3857, 4757, 8911, 9443, 13601, 14413, 26999, 33299, 36917, 39121, 62377, 66101, 90383, 95207, 100891, 137953, 233093, 258419, 273847, 632681, 965671, 1808933, 1916929, 2621107, 4428767, 6759697, 18347749, 128434243]

約数ペア:

[(1, 128434243), (7, 18347749), (19, 6759697), (29, 4428767), (49, 2621107), (67, 1916929), (71, 1808933), (133, 965671), (203, 632681), (469, 273847), (497, 258419), (551, 233093), (931, 137953), (1273, 100891), (1349, 95207), (1421, 90383), (1943, 66101), (2059, 62377), (3283, 39121), (3479, 36917), (3857, 33299), (4757, 26999), (8911, 14413), (9443, 13601)]