642370202

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{61027}}^1$

素因数の和:61325

約数の個数: 16

約数和(自身を含む): 1017947040

約数和(自身を除く): 375576838

約数列:

[1, 2, 19, 38, 277, 554, 5263, 10526, 61027, 122054, 1159513, 2319026, 16904479, 33808958, 321185101, 642370202]

約数ペア:

[(1, 642370202), (2, 321185101), (19, 33808958), (38, 16904479), (277, 2319026), (554, 1159513), (5263, 122054), (10526, 61027)]