268403889

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{613}}^1$

素因数の和:841

約数の個数: 32

約数和(自身を含む): 393352960

約数和(自身を除く): 124949071

約数列:

[1, 3, 13, 39, 103, 109, 309, 327, 613, 1339, 1417, 1839, 4017, 4251, 7969, 11227, 23907, 33681, 63139, 66817, 145951, 189417, 200451, 437853, 820807, 868621, 2462421, 2605863, 6882151, 20646453, 89467963, 268403889]

約数ペア:

[(1, 268403889), (3, 89467963), (13, 20646453), (39, 6882151), (103, 2605863), (109, 2462421), (309, 868621), (327, 820807), (613, 437853), (1339, 200451), (1417, 189417), (1839, 145951), (4017, 66817), (4251, 63139), (7969, 33681), (11227, 23907)]