51380735

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{769}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 74511360

約数和(自身を除く): 23130625

約数列:

[1, 5, 7, 23, 35, 83, 115, 161, 415, 581, 769, 805, 1909, 2905, 3845, 5383, 9545, 13363, 17687, 26915, 63827, 66815, 88435, 123809, 319135, 446789, 619045, 1468021, 2233945, 7340105, 10276147, 51380735]

約数ペア:

[(1, 51380735), (5, 10276147), (7, 7340105), (23, 2233945), (35, 1468021), (83, 619045), (115, 446789), (161, 319135), (415, 123809), (581, 88435), (769, 66815), (805, 63827), (1909, 26915), (2905, 17687), (3845, 13363), (5383, 9545)]