11725945

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 18878400

約数和(自身を除く): 7152455

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 77, 95, 133, 209, 229, 245, 385, 539, 665, 931, 1045, 1145, 1463, 1603, 2519, 2695, 4351, 4655, 7315, 8015, 10241, 11221, 12595, 17633, 21755, 30457, 47861, 51205, 56105, 88165, 123431, 152285, 213199, 239305, 335027, 617155, 1065995, 1675135, 2345189, 11725945]

約数ペア:

[(1, 11725945), (5, 2345189), (7, 1675135), (11, 1065995), (19, 617155), (35, 335027), (49, 239305), (55, 213199), (77, 152285), (95, 123431), (133, 88165), (209, 56105), (229, 51205), (245, 47861), (385, 30457), (539, 21755), (665, 17633), (931, 12595), (1045, 11221), (1145, 10241), (1463, 8015), (1603, 7315), (2519, 4655), (2695, 4351)]