40377554

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{20749}}^1$

素因数の和:20897

約数の個数: 16

約数和(自身を含む): 69720000

約数和(自身を除く): 29342446

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 20749, 41498, 145243, 290486, 2884111, 5768222, 20188777, 40377554]

約数ペア:

[(1, 40377554), (2, 20188777), (7, 5768222), (14, 2884111), (139, 290486), (278, 145243), (973, 41498), (1946, 20749)]