289504105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1747}}^1$

素因数の和:1917

約数の個数: 32

約数和(自身を含む): 398711808

約数和(自身を除く): 109207703

約数列:

[1, 5, 11, 23, 55, 115, 131, 253, 655, 1265, 1441, 1747, 3013, 7205, 8735, 15065, 19217, 33143, 40181, 96085, 165715, 200905, 228857, 441991, 1144285, 2209955, 2517427, 5263711, 12587135, 26318555, 57900821, 289504105]

約数ペア:

[(1, 289504105), (5, 57900821), (11, 26318555), (23, 12587135), (55, 5263711), (115, 2517427), (131, 2209955), (253, 1144285), (655, 441991), (1265, 228857), (1441, 200905), (1747, 165715), (3013, 96085), (7205, 40181), (8735, 33143), (15065, 19217)]