207296089

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 297239040

約数和(自身を除く): 89942951

約数列:

[1, 7, 11, 13, 29, 37, 77, 91, 143, 193, 203, 259, 319, 377, 407, 481, 1001, 1073, 1351, 2123, 2233, 2509, 2639, 2849, 3367, 4147, 5291, 5597, 7141, 7511, 11803, 13949, 14861, 17563, 27599, 29029, 37037, 39179, 49987, 61567, 72761, 78551, 82621, 92833, 97643, 153439, 193193, 207089, 430969, 509327, 549857, 649831, 800371, 1021163, 1074073, 1449623, 2277979, 2692157, 5602597, 7148141, 15945853, 18845099, 29613727, 207296089]

約数ペア:

[(1, 207296089), (7, 29613727), (11, 18845099), (13, 15945853), (29, 7148141), (37, 5602597), (77, 2692157), (91, 2277979), (143, 1449623), (193, 1074073), (203, 1021163), (259, 800371), (319, 649831), (377, 549857), (407, 509327), (481, 430969), (1001, 207089), (1073, 193193), (1351, 153439), (2123, 97643), (2233, 92833), (2509, 82621), (2639, 78551), (2849, 72761), (3367, 61567), (4147, 49987), (5291, 39179), (5597, 37037), (7141, 29029), (7511, 27599), (11803, 17563), (13949, 14861)]