168981790

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{213901}}^1$

素因数の和:213987

約数の個数: 16

約数和(自身を含む): 308018880

約数和(自身を除く): 139037090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 213901, 427802, 1069505, 2139010, 16898179, 33796358, 84490895, 168981790]

約数ペア:

[(1, 168981790), (2, 84490895), (5, 33796358), (10, 16898179), (79, 2139010), (158, 1069505), (395, 427802), (790, 213901)]