211035979

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 278853120

約数和(自身を除く): 67817141

約数列:

[1, 7, 11, 41, 59, 77, 103, 121, 287, 413, 451, 649, 721, 847, 1133, 2419, 3157, 4223, 4543, 4961, 6077, 7139, 7931, 12463, 16933, 26609, 29561, 34727, 42539, 46453, 49973, 66847, 87241, 186263, 249157, 292699, 325171, 467929, 510983, 735317, 1744099, 2048893, 2740727, 3576881, 5147219, 19185089, 30147997, 211035979]

約数ペア:

[(1, 211035979), (7, 30147997), (11, 19185089), (41, 5147219), (59, 3576881), (77, 2740727), (103, 2048893), (121, 1744099), (287, 735317), (413, 510983), (451, 467929), (649, 325171), (721, 292699), (847, 249157), (1133, 186263), (2419, 87241), (3157, 66847), (4223, 49973), (4543, 46453), (4961, 42539), (6077, 34727), (7139, 29561), (7931, 26609), (12463, 16933)]