291222665

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{823}}^1$

素因数の和:1049

約数の個数: 32

約数和(自身を含む): 388717056

約数和(自身を除く): 97494391

約数列:

[1, 5, 17, 23, 85, 115, 181, 391, 823, 905, 1955, 3077, 4115, 4163, 13991, 15385, 18929, 20815, 69955, 70771, 94645, 148963, 321793, 353855, 744815, 1608965, 2532371, 3426149, 12661855, 17130745, 58244533, 291222665]

約数ペア:

[(1, 291222665), (5, 58244533), (17, 17130745), (23, 12661855), (85, 3426149), (115, 2532371), (181, 1608965), (391, 744815), (823, 353855), (905, 321793), (1955, 148963), (3077, 94645), (4115, 70771), (4163, 69955), (13991, 20815), (15385, 18929)]