26648605

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 36267264

約数和(自身を除く): 9618659

約数列:

[1, 5, 17, 23, 43, 85, 115, 215, 317, 391, 731, 989, 1585, 1955, 3655, 4945, 5389, 7291, 13631, 16813, 26945, 36455, 68155, 84065, 123947, 231727, 313513, 619735, 1158635, 1567565, 5329721, 26648605]

約数ペア:

[(1, 26648605), (5, 5329721), (17, 1567565), (23, 1158635), (43, 619735), (85, 313513), (115, 231727), (215, 123947), (317, 84065), (391, 68155), (731, 36455), (989, 26945), (1585, 16813), (1955, 13631), (3655, 7291), (4945, 5389)]