40891298

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{21013}}^1$

素因数の和:21161

約数の個数: 16

約数和(自身を含む): 70607040

約数和(自身を除く): 29715742

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 21013, 42026, 147091, 294182, 2920807, 5841614, 20445649, 40891298]

約数ペア:

[(1, 40891298), (2, 20445649), (7, 5841614), (14, 2920807), (139, 294182), (278, 147091), (973, 42026), (1946, 21013)]