71820686

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{57641}}^1$

素因数の和:57739

約数の個数: 16

約数和(自身を含む): 124506720

約数和(自身を除く): 52686034

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 57641, 115282, 403487, 806974, 5130049, 10260098, 35910343, 71820686]

約数ペア:

[(1, 71820686), (2, 35910343), (7, 10260098), (14, 5130049), (89, 806974), (178, 403487), (623, 115282), (1246, 57641)]