28797265

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 41803776

約数和(自身を除く): 13006511

約数列:

[1, 5, 7, 23, 35, 83, 115, 161, 415, 431, 581, 805, 1909, 2155, 2905, 3017, 9545, 9913, 13363, 15085, 35773, 49565, 66815, 69391, 178865, 250411, 346955, 822779, 1252055, 4113895, 5759453, 28797265]

約数ペア:

[(1, 28797265), (5, 5759453), (7, 4113895), (23, 1252055), (35, 822779), (83, 346955), (115, 250411), (161, 178865), (415, 69391), (431, 66815), (581, 49565), (805, 35773), (1909, 15085), (2155, 13363), (2905, 9913), (3017, 9545)]