201990116

素因数分解:

$2^2\times {\mathrm{401}}^1\times {\mathrm{125929}}^1$

素因数の和:126334

約数の個数: 12

約数和(自身を含む): 354367020

約数和(自身を除く): 152376904

約数列:

[1, 2, 4, 401, 802, 1604, 125929, 251858, 503716, 50497529, 100995058, 201990116]

約数ペア:

[(1, 201990116), (2, 100995058), (4, 50497529), (401, 503716), (802, 251858), (1604, 125929)]