199908538

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{128311}}^1$

素因数の和:128373

約数の個数: 16

約数和(自身を含む): 323346240

約数和(自身を除く): 123437702

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 128311, 256622, 2437909, 4875818, 5260751, 10521502, 99954269, 199908538]

約数ペア:

[(1, 199908538), (2, 99954269), (19, 10521502), (38, 5260751), (41, 4875818), (82, 2437909), (779, 256622), (1558, 128311)]