505154951

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 610541568

約数和(自身を除く): 105386617

約数列:

[1, 7, 31, 97, 103, 217, 233, 679, 721, 1631, 3007, 3193, 7223, 9991, 21049, 22351, 22601, 23999, 50561, 69937, 158207, 167993, 309721, 700631, 743969, 2168047, 2327903, 4904417, 5207783, 16295321, 72164993, 505154951]

約数ペア:

[(1, 505154951), (7, 72164993), (31, 16295321), (97, 5207783), (103, 4904417), (217, 2327903), (233, 2168047), (679, 743969), (721, 700631), (1631, 309721), (3007, 167993), (3193, 158207), (7223, 69937), (9991, 50561), (21049, 23999), (22351, 22601)]