199207856

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{655289}}^1$

素因数の和:655316

約数の個数: 20

約数和(自身を含む): 406279800

約数和(自身を除く): 207071944

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 655289, 1310578, 2621156, 5242312, 10484624, 12450491, 24900982, 49801964, 99603928, 199207856]

約数ペア:

[(1, 199207856), (2, 99603928), (4, 49801964), (8, 24900982), (16, 12450491), (19, 10484624), (38, 5242312), (76, 2621156), (152, 1310578), (304, 655289)]