204879745

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1831}}^1$

素因数の和:2005

約数の個数: 32

約数和(自身を含む): 295464960

約数和(自身を除く): 90585215

約数列:

[1, 5, 7, 23, 35, 115, 139, 161, 695, 805, 973, 1831, 3197, 4865, 9155, 12817, 15985, 22379, 42113, 64085, 111895, 210565, 254509, 294791, 1272545, 1473955, 1781563, 5853707, 8907815, 29268535, 40975949, 204879745]

約数ペア:

[(1, 204879745), (5, 40975949), (7, 29268535), (23, 8907815), (35, 5853707), (115, 1781563), (139, 1473955), (161, 1272545), (695, 294791), (805, 254509), (973, 210565), (1831, 111895), (3197, 64085), (4865, 42113), (9155, 22379), (12817, 15985)]