642928802

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{85021}}^1$

素因数の和:85241

約数の個数: 16

約数和(自身を含む): 1020264000

約数和(自身を除く): 377335198

約数列:

[1, 2, 19, 38, 199, 398, 3781, 7562, 85021, 170042, 1615399, 3230798, 16919179, 33838358, 321464401, 642928802]

約数ペア:

[(1, 642928802), (2, 321464401), (19, 33838358), (38, 16919179), (199, 3230798), (398, 1615399), (3781, 170042), (7562, 85021)]