399806988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{4759607}}^1$

素因数の和:4759621

約数の個数: 24

約数和(自身を含む): 1066152192

約数和(自身を除く): 666345204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 4759607, 9519214, 14278821, 19038428, 28557642, 33317249, 57115284, 66634498, 99951747, 133268996, 199903494, 399806988]

約数ペア:

[(1, 399806988), (2, 199903494), (3, 133268996), (4, 99951747), (6, 66634498), (7, 57115284), (12, 33317249), (14, 28557642), (21, 19038428), (28, 14278821), (42, 9519214), (84, 4759607)]