210320128

素因数分解:

$2^8\times {\mathrm{127}}^1\times {\mathrm{6469}}^1$

素因数の和:6612

約数の個数: 36

約数和(自身を含む): 423189760

約数和(自身を除く): 212869632

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 1016, 2032, 4064, 6469, 8128, 12938, 16256, 25876, 32512, 51752, 103504, 207008, 414016, 821563, 828032, 1643126, 1656064, 3286252, 6572504, 13145008, 26290016, 52580032, 105160064, 210320128]

約数ペア:

[(1, 210320128), (2, 105160064), (4, 52580032), (8, 26290016), (16, 13145008), (32, 6572504), (64, 3286252), (127, 1656064), (128, 1643126), (254, 828032), (256, 821563), (508, 414016), (1016, 207008), (2032, 103504), (4064, 51752), (6469, 32512), (8128, 25876), (12938, 16256)]