638988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{7607}}^1$

素因数の和:7621

約数の個数: 24

約数和(自身を含む): 1704192

約数和(自身を除く): 1065204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 7607, 15214, 22821, 30428, 45642, 53249, 91284, 106498, 159747, 212996, 319494, 638988]

約数ペア:

[(1, 638988), (2, 319494), (3, 212996), (4, 159747), (6, 106498), (7, 91284), (12, 53249), (14, 45642), (21, 30428), (28, 22821), (42, 15214), (84, 7607)]