81577370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{2393}}^1$

素因数の和:2894

約数の個数: 32

約数和(自身を含む): 168231168

約数和(自身を除く): 86653798

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 487, 974, 2393, 2435, 3409, 4786, 4870, 6818, 11965, 16751, 17045, 23930, 33502, 34090, 83755, 167510, 1165391, 2330782, 5826955, 8157737, 11653910, 16315474, 40788685, 81577370]

約数ペア:

[(1, 81577370), (2, 40788685), (5, 16315474), (7, 11653910), (10, 8157737), (14, 5826955), (35, 2330782), (70, 1165391), (487, 167510), (974, 83755), (2393, 34090), (2435, 33502), (3409, 23930), (4786, 17045), (4870, 16751), (6818, 11965)]