71355290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{997}}^1$

素因数の和:1442

約数の個数: 32

約数和(自身を含む): 136454544

約数和(自身を除く): 65099254

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 421, 842, 997, 1994, 2105, 4210, 4985, 7157, 9970, 14314, 16949, 33898, 35785, 71570, 84745, 169490, 419737, 839474, 2098685, 4197370, 7135529, 14271058, 35677645, 71355290]

約数ペア:

[(1, 71355290), (2, 35677645), (5, 14271058), (10, 7135529), (17, 4197370), (34, 2098685), (85, 839474), (170, 419737), (421, 169490), (842, 84745), (997, 71570), (1994, 35785), (2105, 33898), (4210, 16949), (4985, 14314), (7157, 9970)]