71621431

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{1543}}^1$

素因数の和:1918

約数の個数: 16

約数和(自身を含む): 86464000

約数和(自身を除く): 14842569

約数列:

[1, 7, 19, 133, 349, 1543, 2443, 6631, 10801, 29317, 46417, 205219, 538507, 3769549, 10231633, 71621431]

約数ペア:

[(1, 71621431), (7, 10231633), (19, 3769549), (133, 538507), (349, 205219), (1543, 46417), (2443, 29317), (6631, 10801)]