40978034

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1\times {\mathrm{661}}^1$

素因数の和:1025

約数の個数: 16

約数和(自身を含む): 62280960

約数和(自身を除く): 21302926

約数列:

[1, 2, 139, 223, 278, 446, 661, 1322, 30997, 61994, 91879, 147403, 183758, 294806, 20489017, 40978034]

約数ペア:

[(1, 40978034), (2, 20489017), (139, 294806), (223, 183758), (278, 147403), (446, 91879), (661, 61994), (1322, 30997)]