201015991

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 233501184

約数和(自身を除く): 32485193

約数列:

[1, 11, 19, 209, 223, 227, 361, 2453, 2497, 3971, 4237, 4313, 46607, 47443, 50621, 80503, 81947, 556831, 885533, 901417, 961799, 10579789, 18274181, 201015991]

約数ペア:

[(1, 201015991), (11, 18274181), (19, 10579789), (209, 961799), (223, 901417), (227, 885533), (361, 556831), (2453, 81947), (2497, 80503), (3971, 50621), (4237, 47443), (4313, 46607)]