289458565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{5581}}^1$

素因数の和:5661

約数の個数: 32

約数和(自身を含む): 405119232

約数和(自身を除く): 115660667

約数列:

[1, 5, 11, 23, 41, 55, 115, 205, 253, 451, 943, 1265, 2255, 4715, 5581, 10373, 27905, 51865, 61391, 128363, 228821, 306955, 641815, 1144105, 1411993, 2517031, 5262883, 7059965, 12585155, 26314415, 57891713, 289458565]

約数ペア:

[(1, 289458565), (5, 57891713), (11, 26314415), (23, 12585155), (41, 7059965), (55, 5262883), (115, 2517031), (205, 1411993), (253, 1144105), (451, 641815), (943, 306955), (1265, 228821), (2255, 128363), (4715, 61391), (5581, 51865), (10373, 27905)]