212132977

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^3$

素因数の和:309

約数の個数: 16

約数和(自身を含む): 250024320

約数和(自身を除く): 37891343

約数列:

[1, 7, 53, 83, 371, 581, 4399, 6889, 30793, 48223, 365117, 571787, 2555819, 4002509, 30304711, 212132977]

約数ペア:

[(1, 212132977), (7, 30304711), (53, 4002509), (83, 2555819), (371, 571787), (581, 365117), (4399, 48223), (6889, 30793)]