78881770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{2857}}^1$

素因数の和:3126

約数の個数: 32

約数和(自身を含む): 155566656

約数和(自身を除く): 76684886

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 251, 502, 1255, 2510, 2761, 2857, 5522, 5714, 13805, 14285, 27610, 28570, 31427, 62854, 157135, 314270, 717107, 1434214, 3585535, 7171070, 7888177, 15776354, 39440885, 78881770]

約数ペア:

[(1, 78881770), (2, 39440885), (5, 15776354), (10, 7888177), (11, 7171070), (22, 3585535), (55, 1434214), (110, 717107), (251, 314270), (502, 157135), (1255, 62854), (2510, 31427), (2761, 28570), (2857, 27610), (5522, 14285), (5714, 13805)]