199813444990

素因数分解:

$2^1\times 5^1\times {\mathrm{7109}}^1\times {\mathrm{2810711}}^1$

素因数の和:2817827

約数の個数: 16

約数和(自身を含む): 359714921760

約数和(自身を除く): 159901476770

約数列:

[1, 2, 5, 10, 7109, 14218, 35545, 71090, 2810711, 5621422, 14053555, 28107110, 19981344499, 39962688998, 99906722495, 199813444990]

約数ペア:

[(1, 199813444990), (2, 99906722495), (5, 39962688998), (10, 19981344499), (7109, 28107110), (14218, 14053555), (35545, 5621422), (71090, 2810711)]