128857154

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{3559}}^1$

素因数の和:4025

約数の個数: 16

約数和(自身を含む): 198306240

約数和(自身を除く): 69449086

約数列:

[1, 2, 43, 86, 421, 842, 3559, 7118, 18103, 36206, 153037, 306074, 1498339, 2996678, 64428577, 128857154]

約数ペア:

[(1, 128857154), (2, 64428577), (43, 2996678), (86, 1498339), (421, 306074), (842, 153037), (3559, 36206), (7118, 18103)]