405928295

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1\times {\mathrm{383}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 532666368

約数和(自身を除く): 126738073

約数列:

[1, 5, 17, 37, 85, 185, 337, 383, 629, 1685, 1915, 3145, 5729, 6511, 12469, 14171, 28645, 32555, 62345, 70855, 129071, 211973, 240907, 645355, 1059865, 1204535, 2194207, 4775627, 10971035, 23878135, 81185659, 405928295]

約数ペア:

[(1, 405928295), (5, 81185659), (17, 23878135), (37, 10971035), (85, 4775627), (185, 2194207), (337, 1204535), (383, 1059865), (629, 645355), (1685, 240907), (1915, 211973), (3145, 129071), (5729, 70855), (6511, 62345), (12469, 32555), (14171, 28645)]