201580855

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 297851904

約数和(自身を除く): 96271049

約数列:

[1, 5, 7, 23, 35, 49, 83, 115, 161, 245, 415, 431, 581, 805, 1127, 1909, 2155, 2905, 3017, 4067, 5635, 9545, 9913, 13363, 15085, 20335, 21119, 35773, 49565, 66815, 69391, 93541, 105595, 178865, 250411, 346955, 467705, 485737, 822779, 1252055, 1752877, 2428685, 4113895, 5759453, 8764385, 28797265, 40316171, 201580855]

約数ペア:

[(1, 201580855), (5, 40316171), (7, 28797265), (23, 8764385), (35, 5759453), (49, 4113895), (83, 2428685), (115, 1752877), (161, 1252055), (245, 822779), (415, 485737), (431, 467705), (581, 346955), (805, 250411), (1127, 178865), (1909, 105595), (2155, 93541), (2905, 69391), (3017, 66815), (4067, 49565), (5635, 35773), (9545, 21119), (9913, 20335), (13363, 15085)]