40167386

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{20641}}^1$

素因数の和:20789

約数の個数: 16

約数和(自身を含む): 69357120

約数和(自身を除く): 29189734

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 20641, 41282, 144487, 288974, 2869099, 5738198, 20083693, 40167386]

約数ペア:

[(1, 40167386), (2, 20083693), (7, 5738198), (14, 2869099), (139, 288974), (278, 144487), (973, 41282), (1946, 20641)]