52878007

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 74118240

約数和(自身を除く): 21240233

約数列:

[1, 7, 13, 17, 19, 49, 91, 119, 133, 221, 247, 257, 323, 637, 833, 931, 1547, 1729, 1799, 2261, 3341, 4199, 4369, 4883, 10829, 12103, 12593, 15827, 23387, 29393, 30583, 34181, 56797, 63479, 83011, 163709, 205751, 214081, 239267, 397579, 444353, 581077, 1079143, 2783053, 3110471, 4067539, 7554001, 52878007]

約数ペア:

[(1, 52878007), (7, 7554001), (13, 4067539), (17, 3110471), (19, 2783053), (49, 1079143), (91, 581077), (119, 444353), (133, 397579), (221, 239267), (247, 214081), (257, 205751), (323, 163709), (637, 83011), (833, 63479), (931, 56797), (1547, 34181), (1729, 30583), (1799, 29393), (2261, 23387), (3341, 15827), (4199, 12593), (4369, 12103), (4883, 10829)]