398406

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{2887}}^1$

素因数の和:2915

約数の個数: 16

約数和(自身を含む): 831744

約数和(自身を除く): 433338

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 2887, 5774, 8661, 17322, 66401, 132802, 199203, 398406]

約数ペア:

[(1, 398406), (2, 199203), (3, 132802), (6, 66401), (23, 17322), (46, 8661), (69, 5774), (138, 2887)]