13258895

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:132

約数の個数: 32

約数和(自身を含む): 18506880

約数和(自身を除く): 5247985

約数列:

[1, 5, 13, 17, 65, 71, 85, 169, 221, 355, 845, 923, 1105, 1207, 2197, 2873, 4615, 6035, 10985, 11999, 14365, 15691, 37349, 59995, 78455, 155987, 186745, 203983, 779935, 1019915, 2651779, 13258895]

約数ペア:

[(1, 13258895), (5, 2651779), (13, 1019915), (17, 779935), (65, 203983), (71, 186745), (85, 155987), (169, 78455), (221, 59995), (355, 37349), (845, 15691), (923, 14365), (1105, 11999), (1207, 10985), (2197, 6035), (2873, 4615)]