71821729

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{1759}}^1$

素因数の和:2092

約数の個数: 16

約数和(自身を含む): 86732800

約数和(自身を除く): 14911071

約数列:

[1, 7, 19, 133, 307, 1759, 2149, 5833, 12313, 33421, 40831, 233947, 540013, 3780091, 10260247, 71821729]

約数ペア:

[(1, 71821729), (7, 10260247), (19, 3780091), (133, 540013), (307, 233947), (1759, 40831), (2149, 33421), (5833, 12313)]